90% of the boys in our class __________ playing basketball.
The kidnapping ________ between 9 pm and 11 pm.
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.