( )6.—The sea is very rough today.

　　—Yes， I‘ve never seen _______ before.

　　A. such rough sea B. such a rough sea

　　C. so rough sea D. that rough sea

　　( )7.—She‘s broken her arm again.

　　—Again? I ______ she _______ ever broken it before.

　　A. don‘t know; has B. didn’t know; had

　　C. didn‘t know; has D. hadn’t know; would

　　( )8.—Has the wallet been returned yet?

　　—No， but we expect ______ any day now.

　　A. to return it B. it to return C. it to be returned D. it returned

　　( )9.—I‘ve been told to pay the rent.

　　—But it‘s already been paid. It ______ by someone else.

　　A. must be B. may be

　　C. must be paid D. must have been paid

　　( )10. Montreal is larger than _______ in Canada.

　　A. any city B. any cities C. any other cities D. any other city

　　( )11. Human‘s brains are larger in proportion to their bodies than _______.

　　A. whales B. a whale C. that of whales D. those of whales

　　( )12. Before writing your article， ______， collect your material， and prepare an outline.

　　A. a topic should be selected B. a topic to be selected

　　C. your topic should be selected D. select a topic

　　( )13.—I usually travel by train.

　　—Why not ________ by plane for a change?

　　A. to try going B. trying to go C. to try and go D. try going

　　( )14. The boy lay in the street， his eyes _______ and his hands ______.

　　A. closing; trembling B. closed; trembled

　　C. closing; trembled D. closed; trembling

　　( )15. He _______ here for 20 years by the end of next month.

　　A. had worked B. has worked C. will have worked D. will work

　　( )16. I‘ll do _______ the doctor advised.

　　A. as B. like C. that D. all what

　　( )17.—Did we have to wait for Tom?

　　—Well， _______ very angry if we hadn‘t waited for him.

　　A. he‘d have been B. he were C. he had been D. he must be