Hello, I _______ you ______ in London. How long have you been here?A．don’t know;
题型：不详难度：来源：
Hello, I _______ you ______ in London. How long have you been here?| A．don’t know; were | B．hadn’t known; are | | C．haven’t known; are | D．didn’t know ; were |
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答案
| D |
解析
| 考查时态。根据句意我现在已经知道你在伦敦了，那么我不知道你在伦敦是过去不知道。所以所以过去时。句意：你好，我不知道你来伦敦了。那么在这里多久了？ |
举一反三
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—No one answered when I phoned this morning. Where were you?
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