1．(2015·高考福建卷)—I wonder________ Mary has kept her figure after all these years.
—By working out every day.
A．where
B．how
C．why
D．if
解析：选B。考查宾语从句引导词的选择。句意：“我想知道Mary这些年到底是________保持体形的。”“通过每天锻炼。”宾语从句中缺状语由答语By working out every day.可知宾语从句是问Mary保持体形的方式所以应用how引导宾语从句。故答案为B项。(2015·高考湖南卷)You have to know ________ you’re going if you are to plan the best way of getting there.
A．what
B．that
C．where
D．who解析：选C。考查名词性从句引导词的选择。句意：你如果要计划到达那里的最好的方法就得知道自己要往哪里去。分析句子结构可知后的________是宾语从句从句中缺少地点状语故用where。(2015·高考北京卷)I truly believe ________ beauty comes from within.
A．that
B．where
C．what
D．why
解析：选A。考查宾语从句的连接词。句意：我真的相信美来自内心。分析句子结构可知宾语从句中不缺成分应选择that只起连接的作用不作成分。所以答案为A。(2017·高考湖南卷)As John Lennon once said，life is________ happens to you while you are busy making other plans.
A．which
B．that
C．what
D．where
解析：选C。考查名词性从句的引导词。句意：正如约________happens to you while you are busy making other plans为一个表语从句从句中缺少主语故用引导词what表示“所……的事物”。which意为“哪一个”与句意不符；that引导表语从句时既不能充当句子成分又没有实际意义所以也不符合题目要求；where在从句中不能充当主语、宾语等。(2017·高T24)Exactly ________ the potato was introduced into Europe is uncertain，but it was probably around 1565.
A．whether
B．why
C．when
D．how
解析：选C。考查名词性从句的引导词。句意：确切地说马铃薯被引进到欧洲还拿不准但是可能是在1565年左右。分析结构可知此处缺少主语从句的引导词。根据but并列分句中的关键信息around 1565可知此处表示“时间”故要用when引导主语从句。whether是否；why为什么；how以什么方式。以上三者均可引导主语从句但与语意不符。________one of you breaks the window will have to pay for it.
A．Whoever
B．Whatever
C．Whichever
D．Wherever
解析：选C。考查名词性从句。主句谓语为will have to pay之前为主语从句根据句意：无论你们其中哪个人弄坏窗子都得为之赔偿。whichever“无论哪一个”故选C。________I want to tell you is the deep love and respect I have for my parents.
A．That
B．Which
C．Whether
D．What
解析：选D。考查名词性从句。主句谓语为is之前为主语从句从句中缺少动词tell的直接宾语指事物故填what；而which意为“哪一个”ether均不作成分。________you said at the meeting describes a bright future for the company.
A．When
B．How
C．What
D．That
解析：选C。考查名词性从句。此句谓语动词为describes之前的部分即为主语从句。主语从句中缺少谓语said的宾语故选用代词what作said的宾语引导主语从句；that在名词性从句中不作成分只表示陈述的语气；而when和how为副词不能作主干成分。________they thought was the place they’d been dreaming of.
A．what
B．which
C．where
D．that
解析：选A。考生误以为是地点状语从句误选C．where。而reached是及物动词后边接的是宾语从句宾语从句除去插入语they thought后缺主语所以应选what。________rubbish can and should be put to good use.
A．which
B．if
C．whose
D．that
解析：选D。“________rubbish can and should be put to good use”是a common belief的同位语从句。从句中意思完整结构完整所以用that。