问题
I think it’s going to be an argument.（争论）—Yes, it could be.—I wonder ______we can do .
A:what
B:how
C:when
D:whether
B:how
C:when
D:whether
正确答案是：
同类题型
Whose T-shirt is this? –Itbe John’s. It’s much too small for him.
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