____i hate most is____my office at this moment.a.that,his having _英语解答

____i hate most is____my office at this moment.
a.that,his having entered
b.what,his having entered
为什么是b?

人气：156 ℃　时间：2020-04-10 07:32:45

解答

is 前面为主语从句,i hate most 缺宾语 what充当其宾语