Let’s clean the classroom. .A. Good idea. B. Good job. C. Goodbye.
What _______ you do? I ______ smoke.A. is … can’t B. mustn’t … must C. shouldn’t … shouldn’t
What’s wrong _______ you? I have a toothache.A. with B. for C. about
______ are the polka dot slippers? 80 yuan. A. How B. How much C. How many
Wild geese change homes ______ every year.A. second B. two C. twice
How many ______ a year do you visit Shanghai?A. times B. a time C. time