用现在进行时完成下列句子 : 1.What_________you__________(do)? 2.I_____________(sing) an English song. 3.What________he____________(mend)? 4.He______________(mend) a car. 5.______you__________(fly) a kite?Yes,_______. 6.______she___________(sit) in the boat? 7.______you_____________(ask) questions? 8.We_______________(play) games now.