摘要： I don’t know he will come tomorrow or not. A. whether B. if C. when D. weather
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I don't know _______ he will come tomorrow or not.________ he comes,I'll tell you．
[ ]
A. if; Whether
B. whether; Whether
C. if; That
D. whether; If
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B. whether; Whether
C. if; That
D. whether; If
I don't know _______ he will come or not tomorrow. _______ he comes, I will tell you.
[ ]
A. if, Whether
B. whether, Whether
C. if, If
D. whether, If
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B. whether, Whether
C. if, If
D. whether, If
------ I don’t know _______ he will come or not tomorrow.
------ ________ he comes, he will call us.
A. if, If B. whether, If C. when, If D. when, When
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