after he finished his work,______ he wanted to do next was to go _英语解答

after he finished his work,______ he wanted to do next was to go home 为什么填what
后面的从句为什么缺少成分,缺什么.

人气：138 ℃　时间：2019-10-20 00:08:03

解答

what 引导的是主语从句.
主语从句为：what he wanted to do.
what做 do 的宾语.
因为do 为及物动词,必须要有宾语,所以填what.