精选优质文档-倾情为你奉上(一)情态动词can，must与have to的用法一、用括号内所给单词的适当形式填空1. I cant_ (play) chess with you. I have too much homework to do.2. Can your parents_ (speak) English?Yes, they can.3. What can your sister _(do)?4. He cant _(watch) TV on school nights.5. I have to _(go) to bed before 10：00 in the evening.二、单项选择6. Tony, _you sing English songs?Yes, I can.A. canB. mayC. needD. must7. Would you like another glass of wate
