题目内容
I don't know ________ or not he will come here.________ he comes here tomorrow, I will call you.
[ ]
A.whether, If
B.whether, Whether
C.if, If
D.if, Whether
答案:A
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题目内容
I don't know ________ or not he will come here.________ he comes here tomorrow, I will call you.
A.whether, If
B.whether, Whether
C.if, If
D.if, Whether