24.Does your father often go to work_____B_____?A.by a train B.on_英语解答

24.Does your father often go to work_____B_____?A.by a train B.on a train C.take a train
24.Does your father often go to work_____B_____?
A.by a train B.on a train
C.take a train D.catch a train
这道题为什么选B,by 不是放在句尾么?
at the age of 和when的区别是什么?它们分别在句子的哪个位置?

人气：199 ℃　时间：2020-04-06 04:45:33

解答

by train中间不能加冠词,所以不选A
at the age of 和when的意思不一样,前者是几岁时,后者就是当……的时候,
都是既可以在句首也可以在句中.