There are many trees on side of the street, and of the trees is still growing.
A. both； the number B. either； the number
C. both； a number D. either； a number
（2014山东烟台）You look tired．You’d better________a good rest．
A. stop to have
B. stop having
C. to stop to have
D. to stop having
——May I go swimming in the river, Mum? ——No, you ________. It is dangerous.
A. needn’t B. mustn’t C. can’t D. haven’t
—Let’s go to the community if it tomorrow.
—But nobody knows if it tomorrow.
A. won’t rain; rains B. doesn’t rain,rains
C. doesn’t rain; will rain D. won’t rain; will rain
—— Can you tell me why you learn English so well ?
—— It’s very simple . ______ you work , ______ grades you will get .
A. The harder ; the best B. The hard ; the better
C. The harder ; the better D. The hardest ; the best
——_____ does your father go to the fitness center?
——He exercises there twice a week.
A. How soon B. How often C. How long D. How many
