T-shirt and jeans.
A. wear B. put on C. wearing D. putting on
答案：C
【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。
【2011 兰州】29. Of the two coats, she'd like to choose the one to save money for a book.
A. cheapest B. cheaper C. more expensive D. most expensive
答案：B
【解析】比较级的用法。由save money“节省钱”知，在两件外套中，她想选择便宜的那件，因此选B。
【2011 兰州】30. He said he would come to see us the next afternoon.
A. sometime B. some time C. sometimes D. some times