I was really anxious about you.  You _______ home without a word．

A．mustn’t leave

B．shouldn’t have left

C．couldn’t have left

D．needn’t leave

Meeting my uncle after all these years was an unforgotten moment, _______ I will always treasure.

A．that

B．one

C．it

D．what

—You haven’t said a word about my new coat, Brenda. Do you like it?

—I’m sorry I _______ anything about it sooner.  I certainly think it’s pretty on you.

A．wasn’t saying

B．don’t say

C．won’t say

D．didn’t say

The old couple have been married for 40 years and never once ______ with each other.

A．they had quarreled

B．they have quarreled

C．have they quarreled

D．had they quarreled

Many companies and consumers have already begun reforming the way ________they do business.

A. how　　　　　 B. of which　　　C. in that　　　　 D. /

She traveled a great deal, ________ did most of her friends.

A. which　　　　 B. what　　　　　C. it　　　　　　D. as

He failed this college entrance examination, which ________ his parents very much.

　　A. upset　　　　　B. affected　　　 C. suffered　　　 D. impressed

Perhaps the most important characteristic of rap music is the way__________ the artists sing.

A. What　　　　B. which　　　　C. by which　　　 D. /

He kept looking at her, wondering whether he__________her somewhere.

A. saw　　  　　    B. has been　　  　　    C. sees　　  　　　　　　  D. had been

—It cost me 30 yuan to get here.

—Well, it was crazy of you to take a taxi__________ you could come by bus as well.

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