There are ________ students waiting in the hall, ________?
Would you like some tea or coffee? —__________. I would like some water.
I’m thirsty, Steven. Please pass ____ a bottle of water.
In China when the traffic light is red, you ________ cross the road.
Some young people like reading novels on their mobile phones after turning off the light at night.—Don’t you think it is to their eyes?