题目内容：

The road is covered with snow.i can't understand( )they insist on going by motorbike
A.why B.whether C.when D.how
还有一道~
In order to choose the right one,she first asked me( )i want to use a dictionary for.
A.what B.why C.how D.whether
最后一道~
Customers are asked to make sure that they( )the right change before leaving in shop.
A.will give B.have been given C.have given D.will be given
这几道答案是 A A B

优质解答

1,第一题是路面都是雪,你不明白（为什么）他们还要开摩托.
2,为了选择好一点的,她一开始就问我我要选择（什么呢）
3,顾客离开收银台的时候,都要确认他们的零钱是否找对.
Have been given.零钱是收银员给的,所以要要用被动,HAVE been 是现在完成时.
以上3个句子的答案都很符合逻辑.