( )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
( )18. Why do you insist on ________?
A. this to be done B. this done
C. this being done D. this is done
( )19. We looked everywhere for the ________.
A. missing watch B. missed watch
C. watch being missed D. watch that lost
( )20. ______， the runners crossed the finish line.
A. Tiring B. Tired C. To be tired D. They are tired