---________ we clean the classroom at once?---No, you________. You ________clean it after school
I arrive late________school this morning.
They walked because they couldn’t afford________a taxi.
Ben is a foreign teacher.So far,he________in Shiyan for five years.
Because of the bad weather,we have to________the meeting till next week.
—Have you ever heard________Mr Black,your new teacher?—Yes,just a little.He’s very friendly.