---He never stays up late at night, _____ he?
---_________. He usually does his homework till midnight.
| A．doesn’t, Yes | B．does, Yes |
| C．doesn’t, No | D．does, No |
Drinking too much ____ your health.
| A．do harm to | B．is harm to |
| C．does harm to | D．do harmful to |
These are plastic bags. Don’t ____.
| A．throw away it | B．throw it away |
| C．throw away them | D．throw them away |
There are usually ____ people in the supermarket every weekend.
| A．too much | B．much too | C．many too | D．too many |
Do you know how to ____ ice into water?
| A．change | B．dry | C．make | D．produce |
Let’s try our best to ____ paper to save the trees.
| A．use | B．make | C．recycle | D．waste |