Careful surveys have showed that audience _______ teachers and students are more likely to take seats _______ directed.
It sounded like a good idea,but________it didn't work.
—I beg your pardon?—Your mind must have been when I was speaking, wasn’t it?
—Hurry up! Father is waiting for us downstairs.—OK,Mum.I________changed and it won't take long.
________a lot of other countries,we're in an economic recession(衰退).
He was ___in the car accident.