—The supermarket is crowded(拥挤的). There are _______ people there.—Yeah, and the things there are always __________ expensive(贵的).
I’m sleepy.I prefer _____at home to going out for a walk.
When I was walking past his room yesterday evening.I heard him ____the piano .
Dad ,you have worked for three hours .Stop ____and have a vest, please .
----Why don’t you go out to play , Rose? ----I’m afraid I can’t .I have much homework ____.
In the library , you keep quiet.