What is the best way you can imagine ______the overuse of water in our school?
| A．reducing | B．to reduce | C．reduced | D．reduce |
.In the last ten years she _____ like this; she is killing her health.
| A．has worked | B．has been working | C．worked | D．is working |
She did not take the advice that she ___ at rush hour, so she got lost.
| A．not travel | B．did not go | C．should travel | D．goes shopping |
Jasper is a great painter. He is _____ Picasso.
| A．as a great painter as | B．as great painter as |
| C．as great a painter as | D．so great a painter as |
Men of this kind _______; we’d better ________.
| A．is dangerous; keep away | B．are danger; keep away from him |
| C．are dangerous; keep away from them | D．is in danger; keep away |
--- I was trying to repair that stupid machine, but I failed.
--- Well, you_______.
| A．needn’t do that | B．needn’t have done | C．needn’t have | D．needn’t |