I don’t remember ________ he worked in that city when he was young.
if
举一反三
- I don’t remember ________ he worked in that city when he was young. A: what B: which C: if D: Who
- I don’t know when he ________. When he _______ here, I’ll call you in a minute.
- —I don't know when he _________ tomorrow.—I will call you as soon as he _________.
- ________ he works hard， I don‘t mind when he finishes the experiment.
- I don't know when he'll come; but when he comes I shall have a talk with him.
内容
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I don’t know ____ to learn English. A: when did he begin B: when he began C: he when began D: when he begins
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4. I don’t know _________ to learn English. A: when he begins B: when did he begin C: when does he begin D: when he began
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---Do you know when he will come back tomorrow. ---Sorry. I don t know. When he back I tell you.
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I don't think he is serious,________ A: do I B: is he C: don't I D: isn't he
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I don’t think he is honest, _________? A: don’t I B: isn’t he C: do I D: is he