Who is the boy a blue coat? I want to play with him.A. in B. wearsC. withD. be in

问题补充：

Who is the boy a blue coat? I want to play with him.

A. in

B. wears

C. with

D. be in

答案：

(答案→)A. in

B. wears

C. with

D. be in

解析：根据句子语法缺少介词，由于表示穿着的意思，只能选in, 不能选with. 句意:穿一件蓝色的外套的男孩是谁？我想和他一起玩。结合语境可知选A。