They are forbidden to do anything but ( )A.to study B.study

问题描述:

They are forbidden to do anything but ( )A.to study B.study
为什么选那个答案.

选B
这是固定搭配啊 to do anything but do,还有类似的have no chice but to do ,have nothing to do but do,这些都要记住,哪里要to 或是哪里不要的!