—Must we keep the window open all the time? A. No, you mustn’t B. No, you can’t. C. No, you don’t have to.
It’s too cold. How about _________?
—Is your father a doctor? —No, he is a _________. He works in a school.
—Hi, _________ are you going? —To the zoo. I want to see some animals.
Please listen to the teacher carefully, don’t _________ of the window.
In most homes, people cook meals in the _________.