小明在参加社会实践活动的过程中,收集到以下宣传标语,其中与“党和国家的生命线,人民群众的幸福线”这一表述相符合的是( )
_________that river ________very clean?
If I _______ you , I _______ do that .
I pretended ________her when I walked by.
The film is very and all the audience wereby it.
He has done_______to improve his writing.