9.No matter how frequently ___ the works of Beethoven always attract a large number of people .
问题描述:
9.No matter how frequently ___ the works of Beethoven always attract a large number of people .
A.performing B.performed C.to be performed D.being performed
B,为什么不是D?
答
这里表示被动,D虽然也表被动,但同时D也表示正在进行,而此题不表进行,仅仅被动就可以了