一、用 can，may，must 的适当形式填空1. __________ I ask you a question?2. Michael __________ be a policeman, for he is much too short..3. –Are you coming to Jeff’s party? ---I’m not sure. I __________ go to the concert instead.4. Look! I __________ stand on my hands.5. What _____ I do for you？6. I wonder where Ann is．She _________ be with Dick，I think．7. __________ I use your phone？ Yes，of course you _________.8. ____________ we hand in our exercise books today? —No, you needn’t.二、单项选择1. ---Mum， may I watch TV now？ ---Sure， but you ________ finish your homework first.A. can B. may C. must D. could2. ---________ I download the article again？ ---No，you needn't.A. Shall B. Will C. Must D. Can3.---Can you go skating with us this afternoon？ ---Sorry， I can't. I ________ take care of my little sister at home.A. can B. may C. would D. have to4. ---Must I hand in my exercise book today？ ---No， you ________.A. can't B. needn't C. mustn't D. won't5. ---May I have a word with you？ ---No， you ________. I'm busy today.A. needn't B. wouldn't C. don't have to D. can't6. ---________I have your English name, please？ ---Yes, Helen. H-E-L-E-N.A. Must B. May C. Will D. Need7. ---Who is the boy over there？ Is it John？ ---No， it ________ be him. John is much taller.A. mustn't B. may not C. can't D. needn't8. ---Can you play Frisbee， Jay？ ---Yes， I ________. It's easy.A. must B. can C. need D. may9. She ________ know the answer, but I'm not sure.A. maybe B. may be C. may D. must10. --- Must we clean the room right now？ --- No, you________. You _______clean it after lunch.A. needn't；may B. needn't;must C. mustn't； can D. mustn't；may11. John________ come to see us to...
