12．We went to the Lincoln Memorial yesterday, 　　　__ , not surprisingly, was crowded with visitors from all over the world.

　　　 A．where 　　　 B．which　　　　　　　 C．that　　　　　　　　　　 D．when

11．I would have helped you, but I 　　　__ really occupied the whole week.

　　　 A．was　　　　　　　 B．am　　　　　　　　　　 C．had been　　　　 D．were

10．In the past the respect for teachers was driven by the belief 　　　　　they were reliable sources of knowledge.

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

9． ---Isn’t it hard to drive downtown to work?

　 --- Yes, that’s why I _______ to work by train.

　　 A. have gone　　 B. have been going　 C. was going　　　 D. will have gone

8．The police suspected him of carrying drugs so they 　　　　　his bag, but found nothing.

　　　 A．looked up　　 B．turned in　　　　 C．searched for　　 D．went through

7．With home – schooling growing quickly in the United States, nobody knows exactly how many American children 　　　　　at home.

　　　 A．will teach　　　 B．taught　　　　　 C．are being taught D．are teaching

6．_______ you have got your license, why not drive the car yourself ?

　　　 A．Ever since　　 B．Now that　　　 C．Even though　 D．As long as

5．The latest survey, _______ by , found more than 12 percent of teenagers wanted to work as pilots.

　　　 A．to be carried out　　　　　　　　　　　 B．being carried out

　　　 C．carried out　　　　　　　　　　　　　　　　　 D．having been carried out

4．Was it when he was taking the driving test 　　　　he ran into a pig in the street?

　　　 A．where　　　　 B．when　　　　　　　　　 C．that　　　　　　　　　 D．how

3．I can’t remember when exactly the Robinsons left _______ city. I only remember it was _______ Monday.

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