游泳池水的pH值需要保持在7.2到7.8之间。

The ___pH of the pool water should be maintained between 7.2 and 7.8.

我的笔友住在菲律宾。

My pen pal lives in the ___Philippines.

我们周末常去那家老酒馆喝啤酒。

We often go to that old ___PH for beer on weekends.

我的手机号码变了，我会发短信告诉你新的号码。

My ___phone number changed, I'll text you the new one.