Yan Weiwen is famous       his songs       a folk singer.

I’m looking for my cellphone everywhere but it is in my hand       .

My mother has       housework to do, so she is       busy every day.

(2010吉林通化) Mr. Black is strongly         keeping animals in the zoo, because he thinks animals should also have the right to enjoy freedom.

I’ll give you a key to my house so that you can let yourself      .

（2010湖北省宜昌市）— Andy, you were the only person that was late for the meeting, why? — Sorry, sir. But I really had a            time finding the meeting hall.

These are your things, please        .

（2008青海）We are not sure if it        tomorrow. If it       , our sports meeting will be put off.

（2010上海）We will have no water to drink       we don’t protect the earth.

If it        , he       basketball with me tomorrow.