那只狗看起来很热，所以我给了它一些水。

The dog looked very hot, so I gave ___it some water.

如果下雨的话，我们就得取消野餐。

If ___it rains, we'll have to cancel the picnic.

现在几点了？

What time is ___it now?

正是我的老师帮我解决了这个问题。

___It was my teacher who helped me solve this problem.