—Must I clean my room now, Mum?
—_______. You can do it tomorrow.

--- Can you make a kite for me?
--- Sorry, I _____.

Food safety is important. Rules      to stop people from food pollution.
A、must make
B、must be made
C、can’t be made

— _________ I use your telephone?
— Yes, of course.

— Mum, must I wash the dishes right now?
— No, you ______.

You ______ be hungry already—you had lunch only two hours ago!

----Must he finish the work before supper?
----No, he        . He         finish it after supper.

—Boys and girls, we will have a class trip to Taixing Park next week.
—Great! It must be ______. I simply can’t wait _____ it.

—Must I park my car behind the building?
—No, you _______. You _______ park it here.
A. mustn’t; may
B. may not; must
C. don’t have to; may

You had better ________some food and drinks before the field trip ________.