15. To learn English well, we should find opportunities to hear English ______ as much as we can.

　 A. speak.　　　　　　 B. speaking　　　　 C. spoken　　　　　 D. to speak

14.-They are quiet, aren’t they?

-Yes. They are accustomed ______ at meals.

A. to talk　 B. to not talk　 C. to talking　 D. to not talking

13.Please remain________; the winner of the prize will be announced soon．

A．seating　　　　　　 B．seated　　　　　 C．to seat　　　　　 D．to be seated

12.He was busy writing a story, only _______________once in a while to smoke a cigarette．

A．to stop　　　　　　　　　　　　　　　　　　 B．stopping

C．to have stopped　　　　　　　　　　　D．having stopped

11.Ideally ______________for Broadway theatres and Fifth Avenue, the New York Park hotel is a favorite with many guests．

A．locating　　　　　　　　　　　　　　　　　 B．being located

C．having been located　　　　　　　　D．located

10.Something as simple as ______________some cold water may clear your mind and relieve pressure．

A．to drink　 B．drinking C．to be drinking　 D．drunk

9.If there’s a lot of work______________, I’m happy to just keep on until it is finished．

A．to do　B．to be doing　C．done　　 D．doing

8.My sister, an inexperienced rider, was found sitting on the bicycle ____________to balance it．

6. ______that she was going off to sleep, I asked if she’d like that little doll on her bed.

A. Seeing　B. To see C. See　D. Seen

7______their hats into the air, the fans of the winning team let out loud shouts of victory．

　A．To throw　B．Thrown C．Throwing　D．Being thrown

5. It is worth considering what makes “convenience” foods so popular, and　　better ones of your own.

　 A. introduces　 B. to introduce　 C. introducing　 D. introduced