—What time do you usually get up?—I usually get up ____ six o’clock.A. on B. in C. at
---Has Mr. Smith ________ heard about the story?---No, he hasn’t .
---I haven’t seen my grandparents for long. I’m too busy ___ them these days.---Why not call them instead?
---Have you decided _____? ---______.
Millie _____ for three hours. Please________.
When I walked ____ the playground, I saw a lot of boys _____ there.