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5. The professor said he could talk on _____ interested the audience.
A. any topic B. which topic C. whichever topic D. the topic he thought it
【答案】C
【欣瑞教育解析】whichever表示“不管、不论哪个(哪些)”，相当于 anything that，已失去了疑问的含义，表示强调; 而 which topic中 which保留疑问含义，译成"哪一个题目"，不符合句义。而A和D中缺少连词。
6. Under no circumstance _____ to tell lies to parents.
A. children are allowed B. are children allowed C. children will allow D. will children allow
【答案】B
【欣瑞教育解析】含有否定意义的副词及介词短语放在句首时，句子中主语和谓语用部分倒装。
7. Modern science and technology has _____ communication between people far apart.
A. made convenient B. made it convenient C. made it convenient for D. made it convenient to
【答案】A
【欣瑞教育解析】题目中has made是谓语，communication between people far apart短语是宾语，convenient是宾语的补语，被前置。如用B项,it是形式宾语代替不定式或从句。
8. I heard that you really had a wonderful time at John's birthday party, _____?
A. didn't I B. didn't you C. hadn't you D. will you
【答案】B
【欣瑞教育解析】含宾语从句和定语从句的主从复合句，反意疑问句随主句变;但是在含有宾语从句的住句中主语是第一人称时反意疑问句随从句一致。
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