31. We should think of ways to stop the waste from the factory _____ our living environment.
| A．being polluted | B．polluting | C．from being polluted | D．Polluted |
His success is by talent as by energy.
| A．not so much | B．so not much | C．much not so | D．so much not |
Haven’t you got friends in Paris? I feel sure you did mention them once.
| A．any | B．no | C．some | D．lots |
When she woke up, she realized that the things she had dreamt about could not have happened.
| A．possibly | B．likely | C．certainly | D．usually |
Susan and I can go to the lecture ___.
| A．but neither can Charles | B．and so Charies can |
| C．but Charles can’t | D．and Charles also can |
Joan___play on Saturday.
| A．going to | B．can | C．is going | D．can to |