In a time of social reform, people’s state of mind tends to keep _______ with the rapid changes of society.
.– I’m going to Qingdao . Would you mind looking after my dog? ---__________.
–Will you go to the exhibition tomorrow? ---Yes. I will go ____it’s windy.
.Everybody in our country, men and women, old and young_____sports and games.
Be sure to go to the concert with me, _____?
_____ has already been pointed out, grammar is not a set of dead rules.