It will be at least three weeks________ he recovers from his illness and returns
题型：不详难度：来源：
It will be at least three weeks________ he recovers from his illness and returns to work.| A．before | B．when | C．since | D．after |
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答案
| A |
解析
| 考查固定句型。It be 一段时间before从句，意为：一段时间以后某事才发生。句意：至少3个星期以后他才从疾病中恢复重新回到工作岗位上。 |
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