I was shopping__ten o'clock in the morningA around B about C on D at around

问题描述:

I was shopping__ten o'clock in the morningA around B about C on D at around

D at around

在某一时刻用at,
around = 大约

D 在大约上午10点的时候我正购物呢
at around 在大约。。。

A或D都可以.
D的表达 循规蹈矩.A的表达比较随便.建议选A
B的话,要加 at.
供参考,祝进步!