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____________? He teaches physics in a school.

I was worried about my maths, but Mr. Brown gave me an A.          .

A great number of colleges and factories ____since 1949.

For a successful business, friendly and ______ staff are essential.

—Can I borrow your camera for a week? —                          .

---Did you have a good time in Thailand last week? --- ______, it was too hot.

—Would you like a cup of coffee? —                          .

—I’m going to America for a holiday next week. —                          .

Come on , I want to tell you a secret now．But you must      it from other people．

 China is a wonderful place and there is ______ to see and enjoy.