The number of books in the bookshop is about 10,000 and a number of them     about science.

The girl      with her grandparents for the moment because her parents are both very busy this month.

This girl is ready to help people any time. When she is on the bus, she always    her seat to someone in need.

He ______when the UFO arrived. He didn’t wake until the UFO disappeared.

When I got to school, Amy ______his homework.

Jim _________ in Zhuzhou since he finished his college.
A. works                B. is working           C. has worked

Mary didn’t go to John’s birthday party because she ________.
A. wasn’t invited        B. didn’t invite          C. isn’t invited

Listen! Someone _________ for help!
A. called              B. is calling               C. has called

-Where’s your father, Tom?
-He__to Changsha.
A. goes  B. went        C. has gone

—May I speak to Lin Tao?
—Sorry, he is not in. He ______ to Changsha.
A. has been    B. has gone     C. went