全真模拟!

16. Please be quiet! We ______ to the songs sung by the “Super Girl” Li Yuchun.
   A. listen    B. listened    C. are listening    D. have listened
17. －You did well in the exam. You’ve made ______ mistakes.
   －Thank you.
   A. little    B. a little    C. few    D. a few
18. －I like the party so much, but I ______ go home. It’s so late.
   －What a pity!
   A. mustn’t    B. have to    C. can’t    D. may
19. －Is that Maria speaking?
   －Sorry, he isn’t in. He ______ abroad on business.
   A. goes    B. went    C. will go    D. has gone
20. －He was ______ tired ______ he fell asleep as soon as he lay down.
   －Oh, we can go out and let him have a good rest.
   A. too; to    B. so; that    C. enough; to    D. such; that