---Mum, it’s late. Why are you still here?---Dad hasn’t come back yet. I _____ for him.
The goldfish move very _____ and sleep ______.
He isn’t that hard-working. So he has problems _______ English.
Look at the library. It'sour classroom.
-_______ English classes do you have every week? -Six. .
Do you often chat_______ your friends_______ the Internet?