—What’s that?— It’s __________ orange clock, and __________ clock is very good.
They missed the school bus, _____ they were late for class.
—_____ do you go to the cinema? — Once a month.
— Must I finish the work today? — No, you _____.
Betty will ring me up as soon as she _____ in Shanghai.
Mr. Smith came to our school in 2003. He _____ here for 10 years.