介绍:
Unit5
1. What are you doing these days?
2. Are you working hard this term?
3. I'm writing a novel at present.
4. I'm not hearing as well as I used to.
5. Listen! Someone is singing in the park.
6. He is studying English at the university.
7. She is spending the holiday at the seaside.
8. Mr. Green is talking with Jim in the classroom now.
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