12．It was　　 back home after the experiment．

　 A．not until midnight did he go　　 B．until midnight that he didn’t go

　 C. until midnight when he didn’t go　 D．not until midnight that he went

11．-Do you mind if I visit you now and talk about the advertising campaign，Mr. President ?

　　 -I'd rather you　　　 at the moment．

　　 A．are not coming　 B．don’t come　 C．didn’t come　 　　　　　　　　 D．will not come

10.The local government is trying all out to find out who is _______the forest fire．

　　 A. to blame for starting　　　 B．to blame to start

　　 C. to be blamed for staring　　 D．to be blamed to start

9．Mom, I lost　　 diamond ring you bought for me as my birthday present.

　　 Could you keep______ eye out for it when you clean my bedroom?

A．a；an　　 　　　 B．a；the　　 　　　 C．the；the　 　　　　　　　　　　 D．the ;an

8．-why are you so late ? I　　 here for more than an hour ．

　 --I’m terribly sorry. I overslept and missed the bus.

　　 A．am waiting　 　 B．was waiting　 　 C．have been waiting　 　　　 D．have been waited

7．Is the Haihe River, 　　　　through　 Tianjin ,very large?　

　　 A．which flows　 　　　　 B．flows．　 　　　　　　　 C．which one flows　 D．flowed

6．Jim is awfully　 difficult to make friends with, but the friendship of his,_______ ,is more true than any other．

　A. once gained　 　　　　 B．when to gain　 　　　 C．as gained　 　　 D．while gaining

5．Richard was called in by the police to answer questions 　　　disappearance of Thomas Ripley,　 whose relatives were so　　 his present situation，

　　 A．concerning；concerning about　　　 　 B．concerned；worrying about

　　 C．with regards to；concerned about　 　　　 D．regarding；concerned about

4.To keep healthy, a lot of people　　 jogging as a　 regular form of　 exercise ．

　　 A．took up　　 　　　　　 B．caught on　 　　　　　 C. carried out　 　 D．made for

3．Willpower is a kind of quality…and that is 　　　it takes to do everything well.

　　 A．why　　 　　　　　　　　 B．that　　 　　　　　　　　 C．what　 　　　　　 D． which