I am very worried about tomorrow’s maths test. I am afraid I can’t pass this time.-_______! I’m sure you’ll make it.

Tom, I can’t see the notice clearly. May I _______ the seat ________ you

I have an ______book. Let’s read(阅读) it now.

Many people do not realize the importance of health _____ they have fallen ill.

While he_____ on the phone, a man walked into hisroom.