西餐宴会的台型设计应根据（）。
A.宴会厅的形状
B.菜肴的种类
C.宴会规模
D.宴会主办者的要求
参考答案：A, C, D
比30少20%的数是______，20米比______米多25%．
Harry, did you attend the dancing party________ at Jack's house the other day?[ ]
A. held
B. having been held
C. to be held
D. being held
