My friend Jack looks fine he always a smile his face.A. wears; onB. puts; onC. puts; inD.

问题补充：

My friend Jack looks fine, he always a smile his face.

A. wears; on

B. puts; on

C. puts; in

D. wear; on

答案：

(答案→)A. wears; on

B. puts; on

C. puts; in

D. wear; on

解析：脸上带着笑容应该用动词wear，故将BC排除，然后再根据在一般现在时态中主语与动词之间的关系，当主语为三单形式，谓语动词要用三单形式，故选答案为A