18. It was his nervousness in the interview ______ probably lost him the job. A. which B. since C. that D. what
19. It was the boy ______ had been in prison ______ stole the money. A. who, where B. that, how C. who, that D. that, which
20. It might be I, who ______ caused the accident, who ______ to answer for it. A. has, is B. have, are C. has, am D. have, am
21. It was _____ I reached there _____ I began to know something about the matter. A. until, when B. until, that
C. not until, that D. not when, that
22. It was _____ my father worked _____ I work now. A. where, that B. where, when C. that, where D. that, that
23. It was not until he came back ______ he knew the police were looking for him. A. which B. since C. that D. before
24. It’s more than half a century ______ the People’s Republic of China was liberated. A. when B. that C. since D. after
25. It was not ______ you had explained how ______ I managed to do it. A. for, that B. until, that C. for, when D. until, when
[分析诊断]
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1. B。首先判断这是强调句型，强调的是主语the ability to do the job，所以选用that。
如果原句中谓语动词为过去范畴的时态(一般过去时、过去进行时、过去完成时、过去将来时等)，则用It was...that...。如：
2. A。这个句子稍微复杂点。Said that 后面的是宾语从句。然后在这个从句里，有一个it is…that的强调句。整个宾语从句意思说：正是因为他对文学有浓厚的兴趣，他才选择了这个课程。
3. B。本题强调主语these poisonous products.
4. A。本句中强调句型对特殊疑问词what 进行强调，去掉强调句型后句子为What do you want me to say?我们可以看到被强调的what 是say 的宾语。 5. D。对状语with this joy 进行强调。 6. B。本题考查助动词do对动词的强调。从the other day (那天)判断整个句子应用过去时态，A、C两项时态错误，D项不合题意，故选B，did可译为“的确，真地”。
7. B。句意：直到他到家的时候，Jennifer才意识到钥匙丢了。until结构时用于强调句式时，要将否定词not移到until前。
8. C。本题是对强调句型与not……until从句的结合考查，把not移至被强调的部分之后，要注意把句子中的动词用过去式。
9. C。根据下文的答语 a friend of his helped him可知上文是强调方式状语。
10. 1) D 2) B 3) C 4) D 5) B 6) A 先分析结构，再分析意思。谨慎试词，防止混淆。1.句强调时间状语，故用that；2.是It…before…句型，时间状语从句，只用before；3. It is a period of time since-clause是固定结构，只用since；4.是强调句型，因spend一词为及物动词，故需要宾语that。此例也可能是定语从句，若为定语从句则which亦可。但强调句和定语从句的意义是不同的。5是It…before…句型，时间状语从句，只用before. 6 是when引导的时间状语从句。
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高考英语强调句讲解及练习 (1)
