27. _______ a reply, he decided to write again.

A. Not receiving　　　　 B. Receiving not

C. Not having received　 D. Having not received

答：C。分词的否定式not+-ing，此处应用完成式。

26. There’re so many kinds of tape-recorders on sale that I can’t make up my mind_______to buy.

A. what　 B. which　 　C. how　 D. where

答：B。which to buyy该买哪一个，其他与句童不符．

25. I would appreciate___________ back this afternoon.

A. you to call　　　 B. you call　　　

C. your calling　　　 D. you’re calling

答：C。 appreciate欣赏，感激，后接 doing ....

24. -I usually go there by train.

　 -Why not _______ by boat for a change?

A. to try going 　　　B. trying ,to go

C. to try and go 　　　D. try going

答：D。不定式在why的问句中省去to．如：Why go (not go) there? try doing 试着做try to do 试图做。

23. Little Jim should love _______ to the theatre this evening.

A. to be taken　　 B. to take　　　

　C. being taken　　 D. taking

答：A。like (love, prefer, hate) to do / doing... 接不定式表示特定的，具体的事，接动名词表示经常的，习惯的行为．如：

I like swimming.

I like to swim this afternoon.

22. John was made _______ the truck for a week as a punishment.

A. to wash　　　 B. washing　　　

C. wash　　　　 D. to be washing

答：A．在感观动词和使役动词后，不定式傲宾补时省去to，但在被动语态中，应加上to。

21. -The light in the office is still on.

　 -Oh, I forgot_________.

A. turning it off　　　　 B. turn it off

C. to turn it off　　　　 D. having turned it off

答：C．for get to do... 实际上没傲的事，for get doing...忘了实际上做过的事。

20. I can hardly imagine Peter_______across the Atlantic Ocean in five days.

A. sail　　　　　 B. to sail　　

　C. sailing　　　　 D. to have sailed

答；C。Imagine后接动名词，Petersal隔日相当于Peter sailing相当于Peter’s sailing 是带逻辑主语的动名词结构。

19. The secretary worked late into the night, a _______ long speeeh for the president.

A. to prepare　　 　B. preparing　　

C. prepared　　 　D. was preparing

答：B．现在分词傲状语表示状态。

18. The murderer was brought in, with his hands _______ behind his back.

A. being tied　　 B. having tied　　

C. to be tied　　 　D. tied

答：D．being tied，现在分词的被动式，强调正在进行的被动的动作。to be tied，不定式的被动式表示将来的被动的动作．with his hand stied指状态。