21.—Look! How wonderful my car is! Oh, Jack. What are you thinking about? Don’t you like it?

　　—I’m sorry I ______ any remark about it in time. I certainly think it’s smart.

　　A wasn’t making

　　B don’t make

　　C won’t make

　　D didn’t make

　　参考答案：D

　　22.The truth, sir, is that the old man _______ across the road when my car hit him.

　　A was to walk

　　B had been walking

　　C walked

　　D was walking

　　参考答案：D

　　23.—Kate is in hospital.

　　—Oh, really? I _______. ________ visit her.

　　A didn’t know; I’ll go and

　　B don’t know; I’ll go and

　　C don’t know; I’m going to

　　D didn’t know; I’m going to

　　参考答案：A

　　24.—Where _____ the guidebook? I can’t see it anywhere.

　　—I _____ it right here, but now it’s gone.

　　A did you put; have put

　　B had you put; have put

　　C have you put; put

　　D were you putting; put

　　参考答案：C

　　25.The students ______ busily when Mrs Brown went to get a book she ______ in the office.

　　A had written; left

　　B were writing; has left

　　C had written; had left

　　D were writing; had left

　　参考答案：D

　　26.Jimmy said that he would come to pick me up, but he ____ by now.

　　A hasn’t turned up(出现)

　　B doesn’t turn up

　　C won’t turn up

　　D hadn’t turned up

　　参考答案：A

　　27.Edward, you play so well. But I ______ you played the piano.

　　A didn’t know

　　B hadn’t known

　　C don’t know

　　D haven’t known

　　参考答案：A

　　28. This is the first time we ______ a film in the cinema together as a family.

　　A see

　　B had seen

　　C saw

　　D have seen

　　参考答案：D

　　29. The lake will be further polluted unless some measures ______.

　　A will be taken

　　B are taken

　　C were taken

　　D had been taken

　　参考答案：B

　　30.I’m terribly sorry for being late, but I _____ the wrong bus.

　　A catch

　　B had caught

　　C caught

　　D catching

　　参考答案：C