The Great Wall is __________ tourist attraction that millions of people pour in every year.
Everything was placed exactly _______ he wanted it for the graduation ceremony.
The three of us ________ around Europe for about a month last summer.
He got up late and hurried to his office, ________ the breakfast untouched.
We _________ the difficulty together, but why didn’t you tell me?
________ at the door before you enter my room, please.