问题描述：
反身代词填空
1.i often finish my homework by ____
2.they clean their classroom by___
3.sam washed his clothes by ____
4.do you often work at computer by_____
mary doesn't do her homework by____
the robot bought some vegetables by_____
kan and carl are working by____
you and i are cleaning the house by____
he and you can go home by_____
she and he must finish the work before supper by____
1.i often finish my homework by ____
2.they clean their classroom by___
3.sam washed his clothes by ____
4.do you often work at computer by_____
mary doesn't do her homework by____
the robot bought some vegetables by_____
kan and carl are working by____
you and i are cleaning the house by____
he and you can go home by_____
she and he must finish the work before supper by____
问题解答：
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