帕金森患者可见
A．满月面容B．面具面容C．苦笑面容D．急性面容E．慢性面容
参考答案：B
一项工程，原计划10天完成，实际8天就完成了任务，实际每天比原计划多修百分之几？
The boy was seen _______ on the sports ground.[ ]
A. to play
B. play
C. played
D. to playing
