I really a difficult problem.I don't know what __ nextA:how I sho_英语解答

I really a difficult problem.I don't know what __ next
A:how I should do
B.how to do
C.what I should do it
D.what to do
注：请说明理由.

人气：256 ℃　时间：2020-03-30 15:52:45

解答

D
原句中多了what
注：HOW 是副词,不能用宾语,故 A B 最后要加it , C 要省去it
只要是how`````,都要加it吗？这道题是要中it ，但其它的不一定是it哦，要根据句子的意思，反正就是动词后要有宾语