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12. The young girl sitting next to me on the plane was very nervous. She ______ before.

A. hasn’t flown         B. didn’t fly              C. hadn’t flown         D. wasn’t flying

分析：C。用于供參照的過去時間為was nervous(當時坐飛機很緊緊)，與之相比較，hadn’t flown(沒有坐過飛機)顯然屬于“過去的過去”，故用過去完成時。

13. I was giving a talk to a large group of people, the same talk I ______ to half a dozen other groups.

A. was giving            B. am giving             C. had given             D. have given

分析：C。許多同學可能會簡單地根據前面的was giving而誤選A。但事實上，此題提供的語境是：我當時正在給一群人作報告，這個報告我曾給其他若干批人講過。由于was giving為過去進行時，而“曾給其他若干批人講過”顯然發生在was giving這一過去時間之前，故用過去完成時，即答案選C。

14. John, a friend of mine, who got married only last week, spent $3, 000 more than he ______ for the wedding.

A. will plan               B. has planned           C. would plan           D. had planned

分析：D。首先將選項分成兩組：C和D為“過去組”，A和B為“非過去組”，而根據句中的got married和last week可推知，此題的答案應在“過去組”中。然后再根據句意比較get married與plan的先后關系，顯然是先“計劃”，后“結婚”，而“結婚”在句中用了一般過去時，故“計劃”要用過去完成時。

15. They became friends again that day. Until then, they ______ to each other for nearly two years.

A. didn’t speak          B. hadn’t spoken        C. haven’t spoken      D. haven’t been speaking

分析：B。由于他們再次成為朋友發生在過去(因為became用的是一般過去時)，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。

16. —It was really very kind of you to give me a lift home.

—Oh, don’t mention it. I ______ past your house anyway.

A. was coming          B. will come             C. had come              D. have come

分析：A。根據前面一句中的was可知，搭車的事發生在過去，所以“我開車要經過你的家門口”也發生在過去，因此可排除B和D。而在剩下的A和C中，不能選C，是因為C為過去完成時，表示“過去的過去”，與句意不符。

17. I ______ there little more than a week when I set to work with the scientist.

A. would be              B. have been             C. had been               D. will be

分析：C。由于set to work with the scientist這一動作發生在過去，而be there與set to work的先后關系是：be there在先，set to work在后。所以be there發生的時間屬于“過去的過去”，故用過去完成時。

18. The play had already been on for quite some time when we ______ at the New Theatre.

A. have arrived          B. arrived                 C. had arrived           D. arrive

分析：B。由于句中的had already been用的是過去完成時，而根據句意，arrive顯然應發生在其后，故要用一般過去時。全句意為：當我們到達新劇院時，戲已經演了好一會兒了。

19. —Did Alan enjoy seeing his old friends yesterday?

—Yes, he did. He ______ his old friends for a long time.

A. didn’t see             B. wouldn’t see         C. hasn’t seen            D. hadn’t seen

分析：D。由于見朋友發生在過去(即昨天)，而很久沒有見到朋友自然是昨天的見面之前，即屬于過去的過去，故用過去完成時。

20. The hotel wasn’t particularly good. But I ______ in many worse hotels.

A. was staying           B. stayed                   C. would stay            D. had stayed

分析：D。根據The hotel wasn’t particularly good這一句中的一般過去時可推知stay in many worse hotels要用過去完成時，因為它發生在wasn’t之前。

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