When you saw Jack at the dance what did he ?(西安市)A. put onB. wearC. dressD. have on

问题补充：

When you saw Jack at the dance, what did he ?(西安市)

A. put on

B. wear

C. dress

D. have on

答案：

A. put on

B. wear

C. dress

(答案→)D. have on

解析：词义辨析。put on 穿上(衣服，裤子等等）；have on口语里用的比较多；dress 穿衣，打扮；wear穿上，穿着。句意：当你看到杰克在跳舞时，他穿着什么？意思是他身上有什么衣服。结合语境，选D更口语化，故选D为最佳答案。