It is _______ him to save the old man out of the big fire.
—Doctor, I want to know ________________.—Three times a day after meals.
—What’re you doing, Jack?—I’m looking for some information about famous people ______ I need to make a poster.
—________________?—No, I don’t. I don’t like fights in them.
You may send me a short message or just give me a call. _______ will do.
—Mrs White, why are you standing here?—I’m waiting for my son. He ___________ back from school.