To prevent the river from __________ again, the government ordered that the factory stop running.
| A．polluting | B．polluted |
| C．having polluted | D．being polluted |
-How is your new babysitter?
--We _________ ask for a better one. All our kids love her so much.
| A．couldn’t | B．might | C．mustn’t | D．should |
A cup of water _________ you will feel better.
| A．or | B．but | C．so | D．and |
Actually girls can be _________ they want to be just like boys, whether it is a pilot , an astronaut, or a general manager.
| A．wherever | B．whoever | C．whatever | D．whichever |
--Who is your new secretary?
--Miss Evens. I’m very pleased with the work that she _________ so far.
| A．are doing | B．did | C．were doing | D．has done |
- I wonder what you _________ me for a haircut.
-- $ 60 at least.
| A．take | B．charge | C．spend | D．cost |