1．________ an hour every day has made a considerable difference to my health.
A．Having walked
B．Walk
C．Walking
D．Walked
解析：选C。句意： 每天步行一小时对我的健康很有益。此处为动名词短语作主语阐述的是一个事实故选C项。Today we have too many choices of communication through advanced technology，but we seem ________ the joy of communicating face to face.
A．losing
B．to be losing
C．to be lost
D．having lost
3．Nobody but doctors or nurses and those ________ by Dr.Li ________ to enter the patient’s room.
A．being invited；allowed；are allowed；is allowed；are allowed解析：选C。考查非谓语动词和主谓一致。第一空为过去分词短语作定语；第二空主语的中心词是nobody所以选C项。________ often enough.
A．explaining
B．to explain
C．explain
D．explained
解析：选D。考查“have sth.done”结构。句意：到现在为止你应该懂得交通法规了。已经给你解释好多次了。________in a nearby town，the house seems pretty empty most of the time.
A．work
B．to work
C．working
D．worked
解析：选C。考查with复合结构。work 和其逻辑主语the couple是主谓关系表示现在的状况所以用现在分词表主动。句意：这对夫妻在附近镇上上班(他们的)房子大部分时间都是空荡荡的。________．mained to be settled
解析：选C。由于remain是不及物动词故应用现在分词remaining相当于定语从句that remains；动词settle置于remain之后应用动词不定式的被动结构来表示动作还未完成。Hi，Mary.Would you like to go to the concert this evening?
—Sorry，Tom.________ tomorrow’s lessons，I have no time to go out with you.
A．Not preparing
B．Not having prepared
C．Not to prepare
D．Being not prepared
解析：选B。根据句意可知选项As I haven’t prepared tomorrow’s lessons...故应选B。The direct flight has proved successful since 2017，________ Taiwan another tourist destination for people on the mainland.
A．made
B．making
C．make
D．makes
解析：选B。从句意可知后文是前文的结果且主语与动词make之间为主谓关系因此用现在分词making作结果状语。________to get a seat for the concert，he didn’t mind standing in a queue all night.
A．Determine
B．To be determined
C．Determined
D．Being determined
10．The traffic rule says young children under the age of four and ________ less than 40 pounds must be in a child safety seat.
A．being weighed
B．to weigh
C．weighed
D．weighing
解析：选D。此处weigh为“重量为；重(多少)”的意思作young children的后置定语且与其关系为主动用weighing故D项正确。句意：交通规则规定四岁以下并且体重少于40磅的儿童必须放于儿童安全座椅上。；we must stop pollution________a better life.解析：选A。考查非谓语动词。句意：污染越来越严重了。为了过一个更好的生活我们必须阻止污染。不定式表示目的故选A项。________ that the famous professor had cancelled his lecture because of his serious ill.
A．being informed
B．to be informed
C．informing
D．to inform13．With the 2016 College Entrance Examination ________near，students feel great pressure.
A．drawing
B．drawn
C．having drawn
D．to draw
解析：选A。the 2016 College Entrance Examination与draw之间是逻辑上的主谓关系且非谓语所表示动作正在进行故用drawing near作补语。with复合结构在句中作原因状语。________，sir?
—Yes.I need this file to be typed and printed as soon as possible.
A．typing
B．to be typed
C．typed
D．to type
解析：选B。考查非谓语动词。在have＋＋不定式结构中当句中主语与其后面的不定式具有逻辑上的主谓关系时不定式用主动形式如“I have some clothes to wash.”中的to wash就是由该句主语“I”来完成的；但当句中主语与to type的动作不是由句子主语you来完成的。而是由第一个说话者来完成的故应用其被动形式to be typed。________ in the office but you are permitted ________ outside.
A．smoking；smoking；to smoke；to smoke；smoking解析：选C。句意：我们不准有人在办公室里吸烟但允许你在外面吸烟。第一空用permit doing sth.结构第二空用permit sb.to do sth.的结构。________ English songs，but this time we had him ________a Russian song.
A．to sing；sing
B．to sing；to sing；to sing
D．sing；sing解析：选A。listen to本身带有一个介词to后面的不定式作主语补足语时不定式符号to是不能省略的。在后一个分句中使役动词had后面用省略to的不定式作宾语补足语故用sing。________the lecture.
—No one had told him about ________a lecture the following day.
A．to attend；there to be；there being；there be；there was18．—You should have thanked her before you left.
—I meant ________．But when I was leaving I couldn’t find her anywhere.解析：选B。本句中的meant意思是“本来打算”want，wish，hope，like，hate，try，have，ought，used，need，be able，be going，be glad，mean等连用时代替不定式结构以避免重复。________ in a refrigerator.
A．stored
B．to store
D．store解析：选A。考查非谓语动词。句意：牛奶很快就会变酸除非存放在冰箱里。“unless stored in a refrigerator”是“unless it is stored in a refrigerator”的省略形式。store和Milk之间存在动宾关系故用过去分词形式故项正确。________ your coming weekend，swimming or fishing?
A．spending
B．being spent
D．to spend解析：选D。to spend为不定式作目的状语而which是enjoy的宾语。The three travelers finally reached the home of Bertha’s mother around dusk，________65 miles in less than 12 hours.
A．covering
B．having covered
C．to cover
D．to have covered
22．Our company is going on very well.________dozens of local women，we produce handmade goods with unique designs that sell well overseas.
A．To employ
B．Being employed
C．Employed
D．Employing
解析：选D。考查非谓语动词。句意：我们的公司运转得非常好。雇用了很多的当地妇女employ 和our company 是主动关系故用动词的现在分词。The local government has already collected three million dollars，________for the environment improvement.
A．intended
B．intending
C．to intend
D．to be intended
解析：选A。考查非谓语动词。句意：当地政府已收集三百万美元打算改善环境。three million dollars和intend 是被动关系用动词的过去分词形容词化短语be intended for sth.打算……故选A项。Who do the passengers on board think it is up to________a final decision about such a matter?
A．make
B．making
C．to make
D．to be making
解析：选C。考查非谓语动词。句意：车上的乘客认为该由谁对于这样的事情做出最后的决定？it is up to sb.to do sth.由某人来决定做某事。排除A表示将要发生的动作而不表示正在进行的动作故选C项。________ the information the professor demanded earlier，the assistant continued to search in a sea of books for more on the topic.
A．Gathering
B．Having gathered
C．Gathered
D．Having been gathered
解析：选B。此处为非谓语动词作状语逻辑主语the assistant与gather之间构成主谓关C和D；因“收集信息”的动作发生在“继续寻找”之前故用现在分词的完成式故选B。My mom held me and my brother tight，tears of happiness________her face，feeling proud of our final success.
A．to cover
B．covered
C．having covered
D．covering
解析：选D。考查非谓语动词。句意：我的妈妈紧紧抱住我和弟弟满脸幸福的眼泪为我们最后的成功感到骄傲。此处是独立主格结构ness是cover的动作执行者且动作正在进行故应用现在分词。When________to a totally different culture，we should be open－minded and try to understand and appreciate it.28．________what patients were going through，the doctor determined to follow them for six days.
A．Having found
B．Finding解析：选C。考查非谓语动词。句意：为了了解病人经历的痛苦医生决定花六天时间跟踪他们。to find做目的状语。For months，state，private，and volunteer rescue teams searched the area where the plane was believed________．30．I was bored staying here for years，________whether I should try some different place.
A．wondered
B．to wonder
C．wondering
D．wonder
解析：选C。考查非谓语动词。句意：我厌烦多年待在这里怀疑自己是否应该尝试某个不同的地方。wondering作主句的伴随状语句子的主语是动作执行者故用现在分词形式。故选C。