用现在进行时完成下列句子:20分 1. ______you__________(fly) a kite? Yes,_______. 2. ______you___________(sit) in the boat? 3. ______he_____________(talk) with me? 4. We_______________(play) football now. 5. What_________you__________(do)? 6. I_____________(sing) an English song. 7. What________he____________(mend)? 8. He______________(mend) a car. 9. These boys _________ (play) tennis on the playground. 10. My mother______________ (cook) in the kitchen.