What a nice coat! How much did you_____ for it? It_____ me twenty yuan.
Derek is a polite boy. Everybody in our class ________ him.
Can you imagine what the world will be like in ________ time?
—I think we should keep the animals in the zoo.—No. I am ________ you. Animals should be in the nature.
These are your English books. But where are ________?
It’s ten p.m. now. Time to go to ________ bed.