1.It ______ Mike and Mary who helped the old man several days ago.

　　A. was B. are C. were D. had been

　　【答案】A。解析：本題考查的是強(qiáng)調(diào)句式。強(qiáng)調(diào)句式由“It is/was + 被強(qiáng)調(diào)成分+that/who…”構(gòu)成。由于句中的動(dòng)作是發(fā)生在過去，故選A。

　　2.If you don’t go, neither ______.

　　A. shall I B. do I C. I do D. I shall

　　【答案】A。解析：本題考查的是倒裝句。句意是：如果你不去，那么我也不去。Neither位于句首，句子部分倒裝，排除C和D選項(xiàng)。而這是對(duì)將來事情的闡述，所以選擇A選項(xiàng)。

　　3.There is no doubt ________ Catherine is fond of dancing, for she always practices it on weekends.

　　A. whether B. if C. that D. which

　　【答案】C。解析：考查同位語從句，句意：毫無疑問Catherine喜歡跳舞，因?yàn)樗偸窃谥苣┚毼琛７治鼍渥拥慕Y(jié)構(gòu)可知，逗號(hào)之后為“for”引導(dǎo)的原因狀語從句，逗號(hào)之前是主句，主句中結(jié)構(gòu)為"There is no doubt that…"意為"毫無疑問…"，連詞"that"引導(dǎo)同位語從句解釋說明名詞"doubt"的具體內(nèi)容，同位語從句中句子結(jié)構(gòu)和意思已完整，"that"無意義也不充當(dāng)成分，只起連接詞的作用.故C為正確答案。

　　4.You have seen the girl ________ sister is a Chinese teacher.

　　A. whom B. of whom C. whose D. of which

　　【答案】C。解析：此句先行詞為the girl，定語從句為sister is a Chinese teacher，二者構(gòu)成的完整句為The girl’s sister is a Chinese teacher.先行詞的’s所有格構(gòu)成的所屬關(guān)系結(jié)構(gòu)在從句中作定語。故選C。

　　5.He found it increasingly difficult to read, ______ his eyesight was beginning to fail.

　　A. and B. for C. but D. or

　　【答案】B。解析：此題考查原因狀語從句。“his eyesight was beginning to fail”是“he found it increasingly difficult to read”的原因，因此本題應(yīng)選用可以表示原因的連詞for引導(dǎo)原因狀語從句。故選B。

　　6.He has never ridden a horse before, ______?

　　A. does he B. has he C. hasn’t he D. doesn’t he

　　【答案】B。此題考察反義疑問句，前面有否定詞，所以后面要用肯定形式提問。前面是完成時(shí)態(tài)，所以提問要用has，故選B。