— Did the police ask the guard what happened?— Yes, the guard told the police all _________ he knew.A. which B. that C. what
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.
After playing football for more than half an hour, the students took ______ rest.