Question

–I’ll ask the teacher about the noun clause. I’m very puzzled about it.
--That’s just ______ most of us have doubt.

A．what

B．why

C．where

D．how

Answer 1

C

我要问老师名词性从句，我对它非常不解。那也正是我有疑问之处。Doubt为不及物动词不能接宾语所以不选what,而选用where作状语，所以答案为C。