They are volunteers for the Olympic Games, and they everybody to obey the traffic regulations.
| A．adapt to | B．attend to | C．apply to | D．appeal to |
The biggest whale is ___ blue whale, which grows to be about 29 meters long—the height of ____ 9-story building.
| A．the; the | B．a; a | C．a; the | D．the; a |
We can never expect bluer sky unless we create less polluted world.
| A．a; a | B．a; the |
| C．the; a | D．the; the |
I was born in New Orleans, Louisiana, a cityname will create a picture of beautiful trees and green grass in our mind.
| A． | which | B． | of which | C． | that | D． | whose |
At the age of 29, Dave was a worker, _____ in a small apartment near Boston and ______ what to do about his future.
| A．living; wondering | B．lived; wondering |
| C．lived; wondered | D．living; wondered |
I can ______ be a teacher. I’m not a very patient person.
| A．seldom | B．ever | C．never | D．always |