If we had taken such effective measures much earlier, the river so seriously now.
| A．is not polluted | B．would not be polluted |
| C．had not been polluted | D．would not have been polluted |
Nowhere but to the dance party on Saturday evenings.
| A．she goes | B．does she go |
| C．is she going | D．she is going |
Although this sound like a simple process, great care is needed.
| A．need | B．would | C．should | D．may |
In my opinion, it was some of the players, rather than the coach, that responsible for the loss of the game.
| A．is | B．are | C．was | D．were |
your daughter’s work with that of most of her friends and you will find hers is much better.
| A．Compare | B．Comparing |
| C．Compared | D．To compare |
One of the witnesses to the accident wrote a report to the police, he described what had happened.
| A．for whom | B．with whom |
| C．to which | D．in which |