单项选择 适中0.65 引用1 组卷49
—Mum, will our trip be cancelled?
—No, we won’t put it off________there is a natural disaster.
—No, we won’t put it off________there is a natural disaster.
A.if | B.whether | C.unless | D.when |
18-19九年级上·安徽马鞍山·期中
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It’s too ________. I don’t think you can get to school on time, ________ you take a taxi.
A.late; unless | B.late; if | C.early; unless |
As we live in a rapidly developing world, we will be left behind ________ we keep learning.
A.if | B.because | C.when | D.unless |
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