完形填空：too much homework is not the only reason（）students go to bed late,A.that B.w
问题描述：
完形填空：too much homework is not the only reason（）students go to bed late,A.that B.w
答
Why
答
语感告诉我要选why
答
why,定语从句中，先行词reason理由，要用why,如果是表语从句用that
答
that！
答
why
reason做先行词,用why引导
如果后面有for 的话,才用that