Preparations are being made for the Olympic Games in Beijing in 2008．A.heldB.hol
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Preparations are being made for the Olympic Games ________ in Beijing in 2008．
A.held
B.holding
C.to hold
D.to be held
试题答案
D
解析：不定式的被动表示将来，表示进行的被动，过去分词表示完成的被动。