问题
选择题
________ really enjoyable, ____________ us a valuable lesson.
A．Not only the film was; but also it gave
B．Not only was the film; but also it gave
C．Not only the film was; but did it also give
D．Not only was the film; but did it also give
答案
答案：B
这题考查倒装句的用法，not only在句首时，句子用部分倒装，but also在句首时，句子不用倒装。选B。