来源:学生作业帮 编辑:神马作文网作业帮 分类:英语作业 时间:2024/11/11 01:03:54
as 和while题,
I'm going to the post office
__________you are there,can you get me some stamps?
A as
B while
AS也有当的意思,那为什么选D呢.
as 和 while 都有 “当“的意思
while 用在时间和地点
as 用在原因.等
while you are there
as you are going there