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)?
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