Over the few years, he________ much. He used to be quiet, and now he is still.
—I’m not sure ______there are living things on other planets or not .—Even scientists aren’t sure about it.
—I’m very tired these days because of hard work.—Why not ______music ? It can make you ______
—Don’t ______the rubbish everywhere . It’s our duty to protect the environment.— I’m sorry.I won’t do that again.
—who is the man over there ? Is it Mr.Wang ?—No, it _____be him .Mr.Wang is much fatter.
—How do you going to the train station to meet your aunt ?— I’m going there ______my car .