2. 职称英语
  3. Better go and ask him when he______. We must see kim off when he ______.A、is lea

Better go and ask him when he______. We must see kim off when he ______.A、is lea

游客2025-07-06  14
问题 Better go and ask him when he______. We must see kim off when he ______.
选项 A、is leaving; leaves
B、leaves; is leaving
C、leaves; left
答案 A
解析 第一句中when 引导的是宾语从句，由于句意是指“他什么时候走”，含动作尚未发生之义，所以谓语动词用进行时形式表示将来；第二句中when 引导的是时间状语从句，虽然动作也未发生，但通常用一般现在时代替一般将来时。
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