问题补充:
The boy said couldn’t he work out the problem but his teacher didn’t know how to do it.
A. though
B. never
C. hardly
D. not only
答案:
A. though
B. never
C. hardly
(答案→)D. not only
解析:句意,这个男孩说不仅他解决不了这个问题,而且他的老师也不知道怎么做。not only…but(also)句型中,not only放在句首,前句部分倒装。