The students enjoy English songs after class.A. practice to singB. practicing singingC. t

问题补充：

The students enjoy English songs after class.

A. practice to sing

B. practicing singing

C. to practice singing

D. to practice to sing

答案：

A. practice to sing

(答案→)B. practicing singing

C. to practice singing

D. to practice to sing

解析：

试题分析:根据语境可知此句的含义是学生们喜欢在课下练习唱英语歌曲。Enjoy和practice都是实义动词，其后常跟动词的ing的形式，故选B。