__________at a college or university in the US, Chinese and other international students must demonstrate a strong ability in both spoken and written English. 

I found many people ________ on the benches at the end of the day，chatting.

—Is the boy your own son?—No. He is an _____ child _____ himself Martin.

A big earthquake __________7.1 on the Richter scale struck Yushu, knocking down buildings and causing more than two thousands people to lose their lives．

You can use a large plastic bottle,      cut off, as a pot to grow flowers in.