which not only can 改为：which can not only,...but is also应为：but also is good.这里not only ...but also是固定搭配.not only 与情态动词连用时,应该放在情态动词后面.
which not only can 改为：which can not only,...but is also应为：but also is good.这里not only ...but also是固定搭配.not only 与情态动词连用时,应该放在情态动词后面.