题目内容
-The enemy spy was found at last.
-Really? Where ________ himself?
- A.had he hidden
- B.did he hide
- C.has he hidden
- D.was he hidden
A
因为hide是指在被找到之前,即过去的过去,所以用过去完成时。
因为hide是指在被找到之前,即过去的过去,所以用过去完成时。
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