—Why do you ____ the radio? I can’t hear the light music clearly. —I’m afraid of waking the baby up.
We waited for him at the school gate , but he didn’t appear until nine.
We know Lady Gaga is well-known all over the world .
It’s not polite to make fun of others when they are in trouble .
Let’s discuss the problem after school.
His little brother is young, but he can do a lot of things by himself.