There days I find ____hard for me to go to sleep at night.A. this B.that C.it D.不填 (答案为什么选C)

问题描述:

There days I find ____hard for me to go to sleep at night.
A. this B.that C.it D.不填 (答案为什么选C)

it 在句中作 形式宾语 代表 后面的 “for me to go to sleep at night”

it 形式宾语 代表 后面的 for me to go to sleep at night