单项选择题
The author believes（）
A. walking is better than jogging B. working up a good sweat is the best way C. walking is one best exercise D. over-exercising is the best way
单项选择题 The writer would be less critical if fashion designers placed more stress on the（）of clothing.
单项选择题 Some people make arrengements at（） or campgrounds at Yosemite.
单项选择题 Mary saw her son（）the piano when she came to the room.
