Zhengzhou will be more and more convenient when Zhengzhou Subway_____ in two years.
What do you ________ the workers in the factory?
—________ do you usually go to school,Simon?—By bike.
Do you know ________?
In China,some of the students ________ the river to school by ropeway.A.liveB.driveC.cross
—Dad,why must I stop ________ computer games?—For your health,my boy.