I don’t know ______ or not.
A: whether he is at home
B: if he is at home
C: that he is at home
D: whether is he at home
A: whether he is at home
B: if he is at home
C: that he is at home
D: whether is he at home
A
举一反三
- I don't know ______ he will come or not. A: if B: whether C: when
- I don’t know ________ he will come or not. A: if B: whether C: that D: what
- No sooner ______ than he was asked to start an another business trip. A: has he arrived home B: had he arrived home C: he had arrived home D: he arrived home
- He will go home after he finishes his work．He won’t go home ______ he finishes his work．
- I don't know _________ he will come tomorrow. _________ he comes, I'll tell you． A: if; Whether B: whether; If C: whether; Whether D: if; If
内容
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I don't know ______ he will come tomorrow. ______ he comes, I'll tell you. A: if; If B: if; Whether C: whether; Whether
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I don't know _______ he will come tomorrow. _________ he comes, I'll tell you. A: if; Whether B: whether; Whether C: if; That D: if; If
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I don't know _______ he will come tomorrow. _________ he comes, I'll tell you. A: if; Whether B: whether; Whether C: if; That D: if; If
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I don’t know whether he will come.
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I don’t know _____ he will come tomorrow. _____ he comes, I’ll tell you. A: if; Whether B: whether; If C: if; That D: if; If