—I am afraid to ask questions because of my poor ______.
—You’d better practice speaking more.

Just be _______, you can’t make such great progress in a day. It takes time.

—The price of food, drinks, clothes _____ so quickly these years.
—Oh, no, but I don’t think so.

One of the best ways for people to keep healthy is to _____ good eating habits.

I really need to take more exercise because I'm ______ weight.