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根據句意完成已給出首字母或漢語提示的單詞，使補全后的句子意義通順，語法正確。

1．It’s good manners to keep__________(安靜)in a library．

2．Uncle Rick spent the whole afternoon__________(修理)our broken bikes．

3．Eating more__________(新鮮) vegetables is good for health．

4．Don’t go__________(橫過)the street unless the traffic light turns green．

5．The astronauts who flew into space in Shenzhou V and VI are the national__________(英雄)of China．

6．December is the t__________ month of a year．

7．Could you tell me how to i__________ my spoken English?

8．Boys and girls，please pay a__________ to your handwriting．Write clearly and correctly．

9．We were all r__________ tired when we got to the top of the mountain．

10．Mr·Kennard is a teacher of much e__________．He has taught in several countries．