We're not sure if it _______ tomorrow. If it _______, we won't go hiking.
--Must I finish my homework now, Mum? ----No, you_____.
--- Can you tell me ______ it is from here to the Summer Palace? ---Let me see. It's about 15 minutes' ride.
---Don't skate on the lake! ---Why not? Isn't it thick enough___________?
—The shoes don’t fit me. Would you please show me ______?—Sure. Here you are.
Mother returned home _____earlier than Father that evening.