单项选择题
How might the park be different after the changes（）
A. It will be more quiet. B. There will be less people. C. There will be no cars at all. D. Everybody will have to talk around the park.
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.
单项选择题 If you （） see Mr. Jim, you give him my regards.
