题目内容
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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题目内容
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