---What do you think of the twin sisters?
---They are quite different. One is outgoing, __________ is very serious.
| A．another | B．the other |
| C．the others | D．Others |
Don’t believe ______ man with sunglasses. He’s a thief.
A. a B. the C.an
My schoolwork is better than ______.
A. she B. her C. Hers
There are _______ people in the hall.
A. hundred of B. hundreds of C.three hundreds
Humans will have ______ fresh air in10 years than now．
| A．much less | B．much |
| C．very little | D．fewer |
---____ are you going to keep healthy? ---I’m going to exercise more.
A. How B. When C. What