Sam _________ stamps since he was eleven years old, and now he has hundreds of them.

[　　]

A. collected

B. was collecting

C. has been collecting

Thanks for _________ to my birthday party yesterday.

[　　]

A. to come

B. coming

C. came

I think she should _______ her a letter.

[　　]

The teacher asks you _______ the classroom.

[　　]

If it _______, I _______ to the beach.

[　　]

A. will rain, go

B. rains, go

C. will rain, will go

D. rains, won't go

Tom told Sam he _______ upset any more.

[　　]

There _______ fewer schools in Beijing in the future.

[　　]

_______ Mary was having dinner, the telephone rang.

[　　]

Students _______ at home on computers in ten years.

[　　]

________ Friday morning, the teacher gave us our report cards.

[　　]