2. 职称英语
  3. By the time John retires, he______(work)for 30 years．will have worked此题考查的是动词的时态

By the time John retires, he______(work)for 30 years．will have worked此题考查的是动词的时态

游客2023-10-06  32
问题 By the time John retires, he______(work)for 30 years．
选项
答案 will have worked
解析 此题考查的是动词的时态。由by+时间，要用完成时态，由于by后面接的是将来的时间，所以用将来完成时态。
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