1. There is        “u” and ____ “s” in the word “bus”.

A. an, a          B. an, an      C. a, an           D. a, a

2. It’s quite hot today. Would you like        swimming with me?

A. go     B. to go        C. going         D. went

3. —       do you visit your grandpa? ­—Twice a week.

A. How soon    B. How long       C. How far         D. How often

4. He showed me       

A. strange something   B. something strange  C. anything strange     D. strange anything