II. 单项选择21. —Hello, Jane. I come to say goodbye to you. I’ll start a new job in another company. —_______.
He once worked out a plan for the project; ______, most people didn’t agree to it.
—It’s a shame that Pearl hasn’t turned up yet. —Look,_______.
So loudly_______that every people in the next room could hear him.
Only when_______in 1945_______to his hometown.
Not only_______polluted but_______crowded.