--- Alex, did you find the old house that you used to live in?--- Yes, but with much difficulty, for my hometown has _____ changed over these years.
Some families in the countryside were _____ poor _____ pay for the school. We should try our best to help them.
Difficulties are nothing _____we are not afraid of them.
Why not look up the new word in a dictionary you don’t know it?
—Do you know when ____? I miss him very much.—Don’t worry. I will tell you as soon as ____.
—I hope to make decisions by myself.—OK. But remember _____ you do, you should think about the results.