Meimei ran fast.

梅梅跑得快。

A woman saw it happen when she was walking past.

一位妇女走过的时候，看到我的钢笔掉了。

When she got to the shop, she bought all the things on the list.

去到商店后，她把单上所列物品全都买了。

Jim, how long have you been at this school?

吉姆，你到这学校有多么时间了？

I will have to choose presents for all the family soon, but I haven't chosen any yet!

我很快就要为每一位家庭成员选购礼物，但我至今还什么也没买！

But we have a few small differences, too.

但是我们之间还有些小的差别的。