-Let's play tennis, OK?-Sorry, I must _ first.
| A．play computers | B．listen to music | C．finish homework | D．go shopping |
It’s hopeless to finish the work today, ____?
| A．isn’t it | B．is it | C．doesn’t it | D．does it |
It’s better to teach a man fishing than ____ a man fish.
| A．giving | B．to give | C．give | D．gave |
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 |