I usually watch game shows on weekends because they are interesting.A. a kind ofB. kind of

问题补充：

I usually watch game shows on weekends because they are interesting.

A. a kind of

B. kind of

C. all kinds of

D. kind

答案：

A. a kind of

(答案→)B. kind of

C. all kinds of

D. kind

解析：句意：我经常在周末看比赛，因为它们有点有趣。Kind可表种类，a kind of 一种； all kinds of各种各样的；但短语kind of表示有点儿；根据题意选B。