Dad, my trousers are old. I want to buy a new ________.
—The price of food, drinks, clothes _____ so quickly these years. —Oh, no, but I don’t think so.
Just be _______, you can’t make such great progress in a day. It takes time.
—I am afraid to ask questions because of my poor ______. —You’d better practice speaking more.
He didn’t wake up ________ he heard the noise.
He wrote books _______ they could learn about how he treated the sick.