用现在进行时完成下列句子 : 1. What ______ you ________(do) now? 2. I____________ (sing) an English song. 3. What _____he ____________(do)? 4. He___________ (clean) a car. 5. _____ you _______(fly) a kite? Yes, _______. 6. ____ she ________ (sit) in the boat? 7. ______you ________ (ask) questions? 8. We___________ (play) games now.