问题详情：
根据句意从方框中选择合适的单词，并用其适当形式填空，使句子通顺。
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1. The earth (地球) goes around the sun ________ a year.
2. --- Where are the __________ of the football team ?
---They are playing in the playground.
3. ---Betty is the best student in my class.
---Oh, __________ ? Is she very clever ?
4. Miss Smith teaches __________ English when she is not busy.
we do any after-school __________ every day?
【回答】
1. first 2. players 3 ly 4. them 5. activities
知识点：选词填空
题型：完成句子
