问题补充：
The computer was used in teaching. As a result, not only , but students became more interested in the lessons.
A. saved was teachers’ energy
B. was teachers’ energy saved
C. teachers’ energy was saved
D. was saved teachers’ energy
答案：
A. saved was teachers’ energy
(答案→)B. was teachers’ energy saved
C. teachers’ energy was saved
D. was saved teachers’ energy
解析：
这题考查not only在句首时，后面用部分倒装的用法，句意是：电脑被用在教学中，因此，不仅老师的精力省下来了，学生对功课更感兴趣了。选B。
