单选题
1.[2005.10]Only after class _____ to raise the question.
A.did he allowed
B.was he allowed
C.he was allowed
D.did he allow
正确答案:B
答案解析:本题考查倒装。only在句首引起的句子,通常要使用倒装语序。如果不放在句首,则不必使用倒装语序。根据句意,这句话应该用被动语态,即he was allowed to…因此倒装时be 动词提前。