B: . /month
B: . /year
⑴go fishing A. 去购物
⑵go hiking B. 去钓鱼
⑶go running C. 去远足
⑷go shopping D. 去跑步
A. No, I don't.
B. I go swimming twice a week.
C. My favorite activity is going skating.
D. They dance once a week.
B: . /week
A. B.
C. D.
—Twice a year
—.(三天一次)