—Must I hand in my paper now, Mr. Jones?
—No, you ___. You can hand it in tomorrow.
A. needn’t B. mustn’t
C. wouldn’t D. shouldn’t
. The air is getting much ____ than it was a few months ago.
A. clean B. cleaner
C. cleanest D. the cleanest
—____ do you have PE? —Three times a week.
A. How many B. How often
C. How old D. How much
I’ll have an exam tomorrow, ____ I want to go to bed early.
A. so B. or
C. but D. for
—Where do you usually have lunch?
—____ school.
A. Of B. To
C. At D. On
Eric is ____ best friend and he often helps me in art class.
A. my B. your
C. its D. her
