---I think ______ people drive, ______ air pollution there will be.
---That’s true. I hope the air will be fresher soon.
| A．the less, the less | B．the less, the fewer |
| C．the fewer, the fewer | D．the fewer, the less |
I’m ______, because today is my birthday.
| A．sad | B．happy | C．angry | D．afraid |
He ______ in the hospital.
| A．work | B．works |
| C．working | D．worker |
What does his sister ______?
| A．do | B．does | C．doing | D．Work |
—_______ does your mother go to England？
—By plane.
| A．How | B．What | C．Where | D．Who |
You should ____ hard.
| A．studies | B．studying |
| C．study | D．Studys |