—I hear that Lily’s brother is a worker here.—Look, the man _________ is working over there is her brother.
— I didn’t see you at Kangkang’s birthday party. — I didn’t go because I _____ .
Zhengzhou will be more and more convenient when Zhengzhou Subway_____ in two years.
Food safety is important. Rules must ________ stop people from food pollution.
Our headmaster isn’t in his office. I can’t find him anywhere. Did you notice him ______ the office?
You must keep your eyes _____, let’s begin the game.