Mary is used to a T-shirt and jeans.A. wearB. put onC. wearingD. putting on

问题补充：

Mary is used to a T-shirt and jeans.

A. wear

B. put on

C. wearing

D. putting on

答案：

A. wear

B. put on

(答案→)C. wearing

D. putting on

解析：词义辨析。句意“玛丽习惯于穿T恤衫和牛仔裤”，be used to doing sth.习惯于做某事，因此排除选项A、B，wear强调状态，put on强调动作，由句意知“此处应用状态”，因此选C。