You muse learn ——. A.how to do next B.what to do it next C.how to do it next 应该是选c吧

问题描述:

You muse learn ——. A.how to do next B.what to do it next C.how to do it next 应该是选c吧
但B不能这么用么都说下原因吧

B中what to do 的what 已经是do 的宾语,不需要再加it.如果是what to do next 选项也是对的~