完形填空。
Mr. Liu is     1     teacher     2     English. He is not young, but he is not old, either. He     3     a round
face and short hair. He is tall.     4     are fifty students in his class. They    5      him.
Now it’s five in the afternoon.     6     , some students7in the classroom. Mr. Liu is there, too.He is
helping     8     to study English. He is a good teacher     9     a good friend of    10     .
(     )1. A. a
(     )2. A. in
(     )3. A. is
(     )4. A. Here
(     )5. A. all like
(     )6. A. See
(     )7. A. work
(     )8. A. they
(     )9. A. and
(     )10. A. they

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