Thanks　_________　our teacher,we solve the problem　_________　her help.

　　A. for; without　　B. to; with　　C. for; with　　D. to; without

I am interested in animals,so I　_________　lot of time playing with my pet dog.

　　A. pay　　B. take C. spend

The thief got in　_________　the window.

　　A. through　　B. across C. over　　D. after

When you come into the exhibition hall,you can see a large board with a notice on it,saying visitors　_______　not to touch the exhibits.

　　A. will request

B. request

C. are requesting

D. are requested

桯as William finished writing his gradua-tion paper yet?

　　桰 don't know exactly,　but he　________　all day.

　　A. is writing

B. has been writing

C. was writing

D. wrote

梂ould you like to tell me what our teacher said just now?

　　桽he said that light　________　faster than sound.

　　A. travels　　B. travelled C. would travel D. was travelling

桪id you telephone the manager's office?

　　梇es,　he　________　back before 9 o'clock this morning.

　　A. expects　　B. is expected　　C. expected D. was expected

You can certainly leave the classroom as soon as your homework　__________.

　　A. has done

B. has been done

C. will be done

D. will have been done

桯ow did you find the wallet?

　　桻uite ________.

　　A. out of accident　　B. for accident　　C. by accident　　 D. in accident

When will the new book　________　has not been decided yet.

　　A. come about　　B. come out　　C. be come out　　D. publish