— Where are Maria and Kangkang ?      — They aren’t here. They ________  England.

A. have been to                  B. have been in               C. have gone to

 —It smells terrible. What has happened here?

—Look, there is a chemical factory ____waste water___ the river.

A. pour; into                     B. pouring; into                   C. poured; to

 —Look! What a nice classroom!      — Yes, it ________ every day.

A. is cleaning                   B. has cleaned      C. is cleaned

— Your bike is very beautiful. How long ____you _____it?        — Just two weeks.

A. have; bought         B. did; buy                 C. have; had

—How many people did you see in the meeting room?

     — ______.

A. Nothing          B. No one         C. None      

 Mr. Smith didn’t tell us ______.

A. where he lives             B. where he lived       C. where did he live   

 Chongqing ______ a lot in the past few years.

A．has changed       B. changed         C. is changing

 His grandma ________ ______ two years.

A. died; since        B. has been dead; for     C. has died; for

 They are making too much noise here. Let’s go _______.           

A. somewhere quiet        B. everywhere noisy      C. anywhere noisy

Kelly’s main job is _____ the message about protecting the environment.

A. helping spread           B. to help spreading      C. to help spread