—Do you think we’ll still catch the train?—Well, we won’t ________ we walk faster.
—Do you think we’ll still catch the train?—Well, we won’t ________ we walk faster.
A、as
B、unless
C、until
D、no matter how
【正确答案】:B
【题目解析】:除非我们走快点,不然我们会赶不上火车。 unless 除非
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