Work hard, ______ you won't pass the exam.
The policeman is still not sure ______ the young man killed himself or not.
The work ________ in two hours. Let’s hurry.
— Let’s play football on the playground.— It’s too hot outside. I would rather______ at home than ______ out.
The price of the house is too ______. I am afraid I can’t afford it.
We are covering these __________ girl’s wonderful performances__________.