It worried her a bit 　　   her hair was turning grey.

    A. while　　　　  B. if　　　　　　　　　　  C. that　　　　　　  D. for

—Would you please come to help me with my homework tomorrow?

—　　  .

A. My pleasure　　　　    B. You're welcome

C. It depends　　　　　　  D. I'm glad to hear that

She enjoys listening to music 　　    her sister likes playing chess.

　　    A. when　　   B. because　　　　  C. as　　　　　　　　  D. while

—I forgot to bring my pencil to take notes in class.

—　　  . I have enough for both of us.

　　   A. It's nothing　　　　　　    B. Not at all

　　   C. That's all right　　　　　　 D. Take it easy

—What were you up to　　   she dropped in?

—I had played for a while and was going to do some reading.

　　   A. when　　　　  B. before　　　　  C. after　　　　　　   D. until

I have just come hack from Shanghai. There are many big buildings　　  day by day.

　　   A. to go up　　　　　　 B. go up　　　　 C. going up　　  D. gone up

You're lying, but     lies can't cover up 　　   facts.

　　 A. the; /　　　　　　  B. the; the　　　　　　  C. /; /　　　　   D. /; the

I don't think she'll be upset, but I'll see her in case 　　  

　　 A. she'll　　　　    B. she is　　　　   C. she does　　　　  D. she has been

Nobody knows for sure when and how the earliest form of language came into　　 

　　 A. operation　　　　  B. effect　　　　  C. being　　　　　　 D. force

Have you got everything ready? The leaders　　  be here at any moment.

    A. must　　　　 B. need　　　　    C. should　　　　　　  D. can