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现在完成时练习题： 1.He______________(mend) a car. 2.______you__________(fly) a kite?Yes,_______. 3.I_____________(sing) an English song. 4.______she___________(sit) in the boat? 5.______you_____________(ask) questions? 6.What_________you__________(do)? 7.We_______________(play) games now. 8.What________he____________(mend)? | 
