问题
选择题
What some people don't realize is ________ difficult life can be after they get addicted to drugs.
A．that
B．how
C．why
D．what
答案
答案：B
B 考察名词性从句。句意：有些人没有认识到一旦染上毒瘾生活会多么艰难。How多么，引导表语从句。
搜题请搜索小程序“爱下问搜题”