they are sure that they can solve all the problems( )three h

问题描述:

they are sure that they can solve all the problems( )three hours A,with B,on C,in D,for
1个回答 分类:英语 2014-10-16

问题解答:

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C
根据语境是表示将来的行为,而“in+时间”在将来时表示“一段时间之后”,符合句意.
他们确信,他们能在三小时后解决所有问题.
 
 
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