I think _____________ dictionary is enough for us students.
    A. such one        B. so a                C. one such        D. a so

 It was nine years ago, when I came to China for the first time, __________ I began to learn Chinese.
    A. where           B. how               C. which         D. that

Xiamen is _____________ most beautiful city and we’ve decided to stay _________ fifth day.
    A. a; a             B. a; the            C. the; a          D. the; the

Jack had traveled six miles across the channel ___________ his engine failed and was forced to land on the sea.
    A. until            B. after              C. since          D. when

The classroom is big enough __________, but we’ll have to move if we have more students.
    A. for the moment    B. on the moment    C. in a moment    D. for a moment

–Would you mind opening the window?   --___________.
     A. Never mind    B. Yes, please     C. No, go ahead     D. Certainly not

Dinosaurs have been extinct from the earth, never ____________ again.
    A. seen         B. being seen        C. to be seen       D. having been seen

One of the sides of the board should be painted yellow and _____________.
     A. the other is white   B. another white C. the other white  D. another white

 –You have been to Africa? Could you tell me your experience there?
--____________I’ll do during the next break.
    A. It just depends     B. By all means    C. No way     D. Go ahead

 –Hi, Tom, You look tired.  --Yes, I _____________ the room all the afternoon.
    A. painted      B. had painted     C. have painted     D. have been painting