Don't forget to put stamps on the letter.

不要忘记在信封上贴邮票。

He has a cup.

他有一只杯子。

I bought one gallon of milk.

我买了一加仑牛奶。

I would like to call a carpenter to come this afternoon.

我要叫一个木匠今天下午来。

I'm cleaning the yard outside.

我在外面清理庭院。

That's not my fault.

那不是我的错。