题目内容
--Did you see Kate yesterday?
--Yes. She ________ a letter when I saw her.
- A.has written
- B.had written
- C.was writing
- D.wrote
C
when引导的从句用一般过去时,另一动作正在进行需用过去进行时。
when引导的从句用一般过去时,另一动作正在进行需用过去进行时。
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题目内容
--Did you see Kate yesterday?
--Yes. She ________ a letter when I saw her.