I usually sunglasses outside in the sun.A. put onB. putting onC. wearD. wearing

问题补充：

I usually sunglasses outside in the sun.

A. put on

B. putting on

C. wear

D. wearing

答案：

A. put on

B. putting on

(答案→)C. wear

D. wearing

解析：句意：在太阳底下我通常戴太阳镜。put on穿上，戴上，表示动作；wear穿着，戴着，表示状态。根据该句是一般现在时，故选C。