请用所给词的正确形式填空

问题描述:

请用所给词的正确形式填空
1.He___(exercise)there or four times a week.
2.Do you____(clean)you room by yourself?
3.What time dose he usually____(practice)his guitar?

1.He_exercises__(exercise)there or four times a week.2.Do you_clean___(clean)you room by yourself?3.What time dose he usually_practise___(practice)his guitar?