问题
选择题
I didn't know you were in trouble at that time,________I would have given you a hand.[ ]
A．whereas
B．however
C．otherwise
D．therefore
答案
答案：C
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I didn't know you were in trouble at that time,________I would have given you a hand.[ ]
A．whereas
B．however
C．otherwise
D．therefore
答案：C