作业帮1.online shopping has now really___as people find that it is for the most part safe and convenient.A.taken off B.taken up.C.setoff D.set up2.I waited at the bus stop in the rain for nearly an hour ___one bus finally arrived.A.when,B.before.C.since.D.
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1.online shopping has now really___as people find that it is for the most part safe and convenient.A.taken off B.taken up.C.setoff D.set up2.I waited at the bus stop in the rain for nearly an hour ___one bus finally arrived.A.when,B.before.C.since.D.
1.online shopping has now really___as people find that it is for the most part safe and convenient.
A.taken off B.taken up.C.setoff D.set up
2.I waited at the bus stop in the rain for nearly an hour ___one bus finally arrived.
A.when,B.before.C.since.D.while
1.online shopping has now really___as people find that it is for the most part safe and convenient.A.taken off B.taken up.C.setoff D.set up2.I waited at the bus stop in the rain for nearly an hour ___one bus finally arrived.A.when,B.before.C.since.D.
1.A
taken off有起飞的意思,可引申为某种活动开始兴起,或事业开始走向成功.这里理解为开始流行也可,只是略显狭隘.
2.A
since词不达意.while强调在动作过程中发生,或者表示轻微转折的并列关系,这里已经等了快1小时,而非中途发生,所以不合适.before迷惑性较强,但用before主句当使用过去完成时.when表示同一时间的情况,语法和语意都比较契合.