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21. The field research will take Joan and Paul about five months; it will be a long time _________ we meet them again. (2007安徽卷)

A. after              B. before            C. since             D. when

【答案】B。

【考點(diǎn)】考查時(shí)間狀語從句用法。

【解析】before引導(dǎo)時(shí)間狀語從句。It will be a long time before…的意思是“要過很久才會(huì)……”，如：It will be a long time before we finish this dictionary. 我們需要很長的時(shí)間才能把這部詞典編完。 It was a long time before I got to sleep again. 過了好久我才又睡著。

22. Little _________ that we were watching his every move, so he seemed to be going his own way in this business. (2007安徽卷)

A. he realized                              B. he didn’t realize

C. didn’t he realize                     D. did he realize

【答案】D。

【考點(diǎn)】考查倒裝句式用法。

【解析】由于little含有否定意味，所以當(dāng)它置于句首時(shí)，其后要用倒裝句式，又如：Little did they know they were to be reunited ten years later. 他們簡直想不到10年后竟又能團(tuán)聚。

23. The teacher _________ have thought Johnson was worth it or she wouldn’t have wasted time on him, I suppose. (2007安徽卷)

A. should          B. can                C. would            D. must

【答案】D。

【考點(diǎn)】考查情態(tài)動(dòng)詞的用法。

【解析】“must + have + 過去分詞”表示對(duì)過去情況的肯定推測。句意為：我想，老師一定認(rèn)為約翰遜是值得教的，要不然她就不會(huì)在他身上浪費(fèi)時(shí)間了。

24. — Was Martin sorry for what he’d done?

— _________. It was just like him! (2007安徽卷)

A. Never mind  B. All right         C. Not really      D. Not surprisingly

【答案】C。

【考點(diǎn)】考查交際口語。

【解析】not really為口語慣用語，其意為“不很……”。注意其后語境：It was just like him! 他就是那個(gè)樣子。

25. In my opinion, life in the twenty-first century is much easier than _________. (2007安徽卷)

A. that used to be                        B. it is used to

C. it was used to                         D. it used to be

【答案】D。

【考點(diǎn)】考查固定用法。

【解析】句子的意思是將現(xiàn)在的生活與過去的生活相比較，所以應(yīng)用used to be結(jié)構(gòu)，故可排除B和C；由于用于指代life的代詞應(yīng)用it而不是that，故選D。

26. They became friends again that day. Until then, they _________ to each other for nearly two years. (2007安徽卷)

A. didn’t speak                             B. hadn’t spoken   

C. haven’t spoken                       D. haven’t been speaking

【答案】B。

【考點(diǎn)】考查動(dòng)詞時(shí)態(tài)。

【解析】由于他們?cè)俅纬蔀榕笥寻l(fā)生在過去(因?yàn)?/FONT>became用的是一般過去時(shí))，這就說明他們差不多有兩年沒說過話屬于“過去的過去”，所以要用過去完成時(shí)。