Someone called me up in the middle of the night, but they hung up ______ I could answer the phone.

　　　　A. as　　　　　　 B. since　　　　　C. until　　　　　　D. before

She locked her room _____ a thief would break into it.

A. in case that        B. for fear that                     C. in case of          D. for fear of

Five apples are not enough for them, they need ____.

A. three another    B. three other     C. three more  D. three more than

— Did you know any Chinese, Joyce, before you arrived in Beijing?

    — In fact, never _______ it.

A. have I learned        B. I have learned         C. had I learned     D. I had learned

— You can't finish the book in less than an hour,I suppose?

—        .

A. Yes, I'm sure I can           B. No, hardly

C. Sorry, I can't                D. I don't think I can

— Lily complains that she has never gets any mail.

     — ____. I will write her right away.

  A. She is to blame    B. That’s impossible

  C. It doesn’t matter    D. That’s too bad

The dying old man opened his mouth as if ____ something.

     A. to say      B. saying       C. to have said     D. was saying

— Goodbye! I’m glad ____ you.

    — ____, too.

    A. to see; I                        B. to have seen; Me

C. to see; Me                       D. seeing; I

— Is Tom still smoking?

   — No. By next Saturday he ＿＿ for a whole month without smoking a single cigarette.

A. will go    B. will have gone C. will have been D. has been going

I know Mr. Brown；we ＿＿ to each other at an international conference.

A. are introduced                       B. have been introduced

C. were introduced                      D. had been introduced