—Why are you still waiting in line?—I’ve missed my _______ .

The old men should be treated with       .

 ____of the land in that district____ covered with trees and grass.

—Granny,you look so weak.What’s wrong with you? —The factory made________noise.It was________noisy that I couldn’t sleep well last night. 

Rober will start a driverless taxi service,so don’t feel surprised when you see a taxi coming_____a driver.