He was about to tell me the secret ______ someone patted him on the shoulder.

A. as       B. until

C. when  D. while

If only he _______ quietly as the doctor instructed, he would not suffer so much now.

    A. lies                             B. lay

C. had lain                         D. should lie

   I forget where I read the article, or I _____ it to you now.

    A. will show               B. would show

    C. am going to show        D. am showing

 “Could I take your order now?” “Yes. One _____ tea and two _____ coffees.”

A. black, white      B. red, white

C. black, green       D. red, black

I _______ have met him a long time ago. Both his name and face are very familiar.

    A. may                   B. can

C. would                 D. should

It was ten o’clock _____ he came back home.

    A. when                     B. that

C. since                    D. after

____ was very ______ that little Jim wrote the letter.

    A. It, careful                     B. It, carefully

    C. He, careful                     D. He, carefully

They lost their way in the forest, and _______ made matters worse was that night began to fall.

    A. it                  B. which

C. that                D. what

You’ve just missed your ______, and you will have to wait for the next round.

A. chance       B. turn

C. time    D. part

 “Why couldn’t they meet us at five o’clock?” “Because they were delayed by ________.”

A. heavy traffic      　    B. heavy traffics

C. crowded traffic  D. crowded traffics