—Shall Brown come and play computer games? —No, _____he has finished his homework.

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问题 —Shall Brown come and play computer games? —No, _____he has finished his homework.

选项 A、when
B、if
C、unless
D、once

答案C

解析 这是对话省略,引出一个条件“除非他先完成作业”
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本试题收录于: 英语题库成考专升本分类
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