No, I'm not.

不，我不是。

What's your friend doing?

你的朋友正在做什么？

One of my suitcases is small,and the other one is medium size.

我的一个提包是小的，另一个是中等的尺寸。

Are your neighbors vey friendly?

你的邻居友好吗？

Do you think it's going to rain tomorrow?

你认为明天将下雨吗？

There was a big crowd and we had difficulty getting a taxi.

外面有一大群人并我们有很困难招一辆出租车。