是考查祈使句还是非谓语动词

是考查祈使句还是非谓语动词
 
请看下面这道题，是考查祈使句还是考查非谓语动词？
_______ the road round to the right and you’ll find his house. http://yingyu.chazidian.com
A. Follow                            B. Following
C. To follow                        D. Followed
【分析】正确答案选A。根据句中的连词and 可推知它是一个并列句。假若将此题改为下面这样，则答案为B：
_______ the road round to the right, you’ll find his house.
A. Follow                            B. Following
C. To follow                        D. Followed
但是，若改成下面一题这样，则答案为C(不定式短语表目的)：
_______ the road round to the right, the blind man asked a boy to guide him.
A. Follow                            B. Following
C. To follow                        D. Followed
请做以下试题，答案均选A，都是因为句中的并列连词 and（填空句为祈使句）：
(1) _______ to the top of the hill, and you can see the whole of the town.
A. Get                                B. To get
C. Getting                           D. Having got
(2) ______ the milk and set a good example to the other children.
A. Drink                             B. To drink
C. Drinking                        D. Having drinking
(3) ______ me, and then try to copy what I do.
A. Watch                           B. Watching
C. To watch                       D. Have watching
(4) _____ through this book and tell me what you think of it.
A. Look                             B. Looking
C. To look                         D. Having looked
(5) _____ it with me and I’ll see what I can do.
A. Leave                             B. Leaving
C. If you leave                    D. When left
有时不用连词连接句子，而用破折号，情况也是一样(答案均选A)。如：
(6) _____ down the radio — the baby’s asleep in the next room.
A. Turn                             B. Turning
C. to turn                          D. To have turned
(7) _____ some of this juice — perhaps you will like it.
A. Try                              B. Trying
C. To try                          D. To have tried
以下各题也应选A，是因为句中的从属连词 when, before, until 等（填空句为祈使句）：
(8) ______ him enough time to get home before you telephone.
A. Give                             B. To give
C. Giving                          D. Given
(9) ______ left when you get to the end of the street.
A. Keep                            B. Keeping
C. To keep                       D. Kept
(10) ______ your hand over your mouth when you cough.
A. Put                              B. Putting
C. To put                         D. To be putting
 


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(11)______ until the lights have turned to green.
A. Wait                             B. To wait
C. Waiting                        D. Having waited
(12) ______ the pieces of cloth with a loose stitch before finally sewing them together.
A. Join                              B. To join
C. Joining                          D. Joined
以下各题也应选A，因为填空句为祈使句(from http://yingyu.chazidian.com)：
(13) I don’t want to listen a long story — just _____ me the result.
A. tell                                B. telling
C. to tell                            D. to be telling
(14) Why stand there watching — _____ and help us!
A. come                            B. coming
C. to come                        D. to be coming
(15) Don’t waste your money on silly things — ______ it.
A. save                             B. to save
C. saving                           D. having saved
(16) First ______ the rice by washing it, then ______ it in boiling water.
A. prepare, cook                 B. preparing, cooking
C. preparing, cook               D. prepare, cooking
(17) To test eggs, _____ them in a bowl of water: if they float they’re bad, if they sink they’re good.
A. put                                 B. putting
C. to put                             D. to be putting
但是请注意，类似下面这样的题目情形有所不同，所填部分为目的状语（用不定式，即答案选B）：
(18) ______ French well, she went to France to live with his cousins.
A. Study                              B. To study
C. Studying                          D. Having studied
(19) _____ late in the morning, Mr. Smith turned off the alarm.
A. Sleep                              B. To sleep
C. Sleeping                          D. Having slept
(20) ______ the flies out, we had to shut all the doors and windows.
A. Keep                              B. To keep
C. Keeping                          D. Having kept
(21) ______ their service, the workers of the hotel are active in learning English.
A. Improving                       B. To improve
C. Improve                          D. Having improved