—You should be careful when you take the chemistry exam．
—I agree．In this way,1 will make mistakes．
| A．more，less | B．the less，the more |
| C．more，fewer | D．the more，the fewer |
-____ is it from your home to the supermarket? -About ten minutes’ walk
| A．How long | B．How far |
| C．How much | D．How many |
People ____ more and more useful things to protect the earth since Earth Day was started.
| A．did | B．were doing |
| C．will do | D．have done |
My father decided _____ any more.
| A．to smoke | B．to not smoke |
| C．smoking | D．not to smoke |
Many Chinese children have to take piano lessons, but few of them have ____ in it.
| A．duty | B．courage |
| C．experience | D．interest |
---Peter is ill in hospital.
--I'm not ____ to hear that. I've been telling him not to work so late every day!
| A．surprised | B．sorry |
| C．glad | D．excited |