精选优质文档-倾情为你奉上1. Mum, may I watch TV now?Sure, but you _ help me with my English.A. can B. may C. must D. could2. _ I download the article again?No, you neednt.A. Shall B. Will C. Must D. Can3. Can you go skating with us this afternoon?Sorry, I cant. 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. cant B. neednt C. mustnt D. wont5. May I have a
