题目内容
I don’t know ______ he will come tomorrow. ______ he comes, I will tell you.
A. if; Whether B. whether; Whether C. /; If D. whether; If
D
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题目内容
I don’t know ______ he will come tomorrow. ______ he comes, I will tell you.
A. if; Whether B. whether; Whether C. /; If D. whether; If
D