() 18. Today,computers are really helpful. They   everywhere.

   A. use   B. were used   C. used   D. are used

() 17. —Lily,why are you still here? School is over for half an hour.

            —Because I  my task. I still need one more hour.

   A. won’t finish '    B. didn't finish

   C. haven't finished   D. hadn’t finished

() 16. He was  tired  he could not go on walking.

   A. too;that   B. so;that   C. such;that   D. too;to

() 15. Mr. Wang has left for Guangzhou. He  a speech there in two days.

   A. gives   B. gave   C. will give   D. has given

() 14. —It's too hot. Why not go swimming with us?

            — .

   A. Good idea! B. That's right! C. Well done! D. Congratulations!

() 13. Don’t play computer games all the time,it can lead you  others.

   A. falls behind   B. fall behind   C. falling behind   D. to fall behind

() 12. 一Jane,your bedroom is so dirty.

            —Sorry,I'll  .

   A. clean up it   B. clean it up   C. clean up them   D. clean them up

() 11. He  go out with his parents,but now he  staying at home alone.

   A. used to;is used to   B. was used to;used to

   C. used to;used to      D. was used to;is used to

() 10. Someone  at the door. Can you open it?

   A. knocks   B. knocked   C. is knocking   D. was knocking

() 9. —Excuse me,would you please speak a little more  ?

           —Sorry,I thought you could follow me.

   A. sadly   B. quickly   C. politely   D. slowly