The dolphins are ________ interesting in the zoo.
— He’s never stolen anything before,______ he?—______ .It’s his third time to be taken to the police station.
30,000 dollars ______ a large amount of money, but it’s ______ than we need.
Oh, boy, why are you killing your time this way? Can’t you find something ________ doing?
His aunt ________ Beijing and she will stay there for three years.
You ______ to the meeting this afternoon if you have something important to do.