– Look at these factories. I hate them. They____ many rivers here.
--Yes. Something ______ to stop the pollution.
| A．polluted, must do | B．had polluted , must be doing |
| C．have polluted , must be done | D．were polluting, must be done |
---He seldom spends money buying new clothes or going traveling， ______ he?
---______. He can’t save a coin， though.
| A．does； No | B．does； Yes |
| C．doesn’t； No | D．doesn’t； Yes |
---I don’t like action films. They are too noisy.
--- ________. I never watch action films.
| A．Neither do I | B．Neither I do |
| C．So do I | D．So I do |
The old woman has something wrong with her eyes and has to have them______.
| A．operated on | B．operated |
| C．operate | D．operate on |
The number of people present at the concert was ________ than we expected.
| A．much fewer | B．much smaller |
| C．much more | D．many more |
We work together to achieve our common purpose： ________ world that is safer， cleaner and healthier than ________ one we are living in.
| A．the ； / | B．a ； / |
| C．the ； the | D．a ； the |