问题
选择题
38.The task is hard, ___, the workers managed to finish it in time.
A．therefore
B．otherwise
C．however
D．yet
答案
答案：C
however 作可是解时，含义同but，前者有逗号相隔，后者后面没有逗号，前面可好可无。
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38.The task is hard, ___, the workers managed to finish it in time.
A．therefore
B．otherwise
C．however
D．yet
答案：C
however 作可是解时，含义同but，前者有逗号相隔，后者后面没有逗号，前面可好可无。