Don’t try to do everything at once. Take it a bit __________.

A. at that time   B. all the time

C. at times    D. at a time

It is five years since my dear aunt __________ here.

A. left     B. has left    C. is left     D. had left

I __________ the Palace Museum with my grandparents the other day.

A. was visiting  B. have visited

C. visited   D. am visiting

— We can use QQ to talk with each other on the Internet.

— Really? Will you please show me __________ it.

A. what to use   B. how to use

C. when to use   D. where to use

Many families have their own cars. __________， it causes the terrible air problem.

A. Because   B. If     C. However   D. For

— Hello! Remember me?

— I seem to have met you __________.

A. before    B. ago    C. since    D. some time

— Do your parents live with you?

— They __________ to do. But they _________ to living in the countryside now.

A. were used; get used B. got used; are used

C. used; get used  D. used; used

— Lily dances so well. Who teaches her?

— She learns all by herself. She never goes to any training classes.

A. usually          B. often             C. even          D. never

It is said that the terrible illness has killed more than __________ people around the world.

A. three hundreds     B. three hundreds’

C. three hundred’s    D. three hundred

— Did you watch the basketball match yesterday?

— Yes， I did. You know， my brother __________ in the match.

A. is playing        B. was playing

C. has played       D. had played