( ) —Must I stay at home, Mum?
—No, you ________.
| A．needn’t | B．mustn’t | C．don’t | D．may not |
( ) I’v got a toothache. I’m going to the__________.
A. park B. dentistC. teacher
( ) Is the cat ________ the doorNo, it isn’t. It’s ________ the desk.
| A．behind, under | B．in, on | C．under, at | D．over, behind |
( ) If I ____ you tomorrow, I will give you the receipt.
A. see B. will see C. am seeing
( )—— What day is today —— It's ______.
A. Monday B. a fine day C. September 1st
( ) The students couldn't help ______ when they heard the joke.
A. to laughB. laughC. laughing