英语选修8译林牛津版同步作业及答案：Unit 3（2）课时跟踪检测
Ⅰ.单词拼写
1．It was his brother who committed (犯罪) the murder.
2．The school rewarded (奖励) him with a prize for his excellent studies.
3．The tree cast its shadow (影子) on the wall.
4．The helicopter (直升机) hovered over the crowd for a while before flying away.
5．She has acute (敏锐的) hearing and eyesight.
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