— Shall we play soccer now?
— Not now. Mum often tells us ______ a while before doing sports after meals.
A. waited B. to wait C. waiting D. wait
My father usually ______ his bike to work. He thinks it’s good for health.
A. rides B. rode C. is riding D. will ride
— Must I return the CD before Saturday?
— No, you ______. You can keep it until next Sunday.
A. can’t B. needn’t C. couldn’t D. shouldn’t
I think only Jack can carry this heavy box. He is ______ in our class.
A. strong B. stronger C. strongest D. the strongest
You’d better not eat too many candies, ______ you may have a toothache.
A. or B. so C. but D. and
— ______ books do you read every year?
— About twenty.
A. How many B. How far C. How long D. How often
