Catherine, I have cleaned the room for you.—Thanks. You_______ it. I could manage it myself.

do you find Johnson’s last party—Well, it couldn’t have been . In fact, I won’t go to his party next time.

China is no longer ____ a production base; it is also one of the most important consumer markets [ ]

Would you like camping with me—I’d like to. But I’m busy my homework.

Before I talked with ______scientist, I had never met_____ clever person like him.