用括号中所给单词的适当形式填空

【1】The girl often _____(help)her mother do some housework on weekends.

【2】Bill goes to see his grandparents _____(one)a week.

【3】My father likes Beijing Opera very much.He _____(watch)it on TV every day.

【4】I play basketball with Ben three _____(time)a week.

【5】—Why not go out and do some outdoor _____(active)?

—Sounds good!

【6】He spends more than an hour _____(exercise)every day.

【7】To keep healthy，I decide _____(do)sports half an hour every day.

【8】I don't like milk，but my mother wants me _____(drink)it every morning.