一、单项填空（本题有16小题，每小题1分, 共16分）
（ ）1.— Do you know ______ man in the picture?
— Yes, he is Yang liwei and he is ______ astronaut.
A. a, an B. the, an C. a, the D. the, a
（ ）2. They were all very tired, but of them took a rest.
A. none B. all C. both D. either
（ ）3. —Hello, may I speak to Mr. Li?
—Oh, sorry! He to Hong Kong. He will come back in three days.
A. has been B. has gone C. went D. goes
