---Young people today earn more and have more freedom to live where they want.--- this, I think that they are still interested in older people.
Output is now six times ________ it was before liberation.
"Why did you go to the wrong class, Mr. Wang " "Well, I forget _______ I was supposed to go to."
I don't doubt ________ he'll come.
Why the explosion occurred was ____the laboratory attendant had been careless.
They came to the conclusion ________ by a computer.