My son is very shy but can you imagine at the English party?A. him singB. his singingC.

问题补充：

My son is very shy, but can you imagine at the English party?

A. him sing

B. his singing

C. him to sing

D. his to sing

答案：

A. him sing

(答案→)B. his singing

C. him to sing

D. his to sing

解析：考查动词imagine的用法。imagine后常接-ing形式或 -ing形式的复合结构作宾语。