We would appreciate _______ if you could give us some advice on how to solve this problem

There’s an old saying ____ goes, “An apple a day keeps the doctor away.” This is especially true in the US, ____ apples are a huge part of food culture.

Today, more Chinese people speak English and China may have the _____ number of English speakers in the world.[ ]

It’s normal to feel sad when _______ happens to us.

With the improvement of people’s living conditions, most mothers _______ in hospitals. [ ]