—What do you like doing in your free time?—I like playing cards and Chinese chess.A. a; aB

问题补充：

—What do you like doing in your free time?

—I like playing cards and Chinese chess.

A. a; a

B. /; a

C. /; /

D. the; the

答案：

A. a; a

B. /; a

(答案→)C. /; /

D. the; the

解析：句意:在你的空闲时间你喜欢做什么？——我喜欢打扑克和下中国象棋。结合语境可知下文两空都是表示泛指，前文cards是复数名词，故不用冠词。下文chess前有限定性修饰语，故也不用冠词，选C。