The students were walking through the door,two at -------- t

问题描述:

The students were walking through the door,two at ________ time
A.a B.an C.the D./
请说明理由,还有这句话的意思
1个回答 分类:英语 2014-10-19

问题解答:

我来补答
选a,at time是不对的搭配,只有“at times”-有时;at the time是“那时”的意思;at a time是“每次、一次”的意思.
“学生们正在通过大门,每次只能过2位”
 
 
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