With so many problems____ , the newly-elected president had a hard time.
| A．settled | B．to settle | C．being settled | D．was settled |
The problem is not _____ easy. Think _____ over.
| A．such, it | B．that, it | C．so,不填 | D．that，不填 |
It is so difficult a problem that _____ student in this class _____ work it out.
| A．any, can't | B．no, can | C．every, can | D．no, can't |
I think he is _____ to win, but I'm not sure.
| A．possible | B．likely | C．impossible | D．certain |
They own two cars, not to _____ a motorbike.
| A．speak | B．say | C．talk | D．mention |
The judge paid no attention to _____ he had just lost his wife.
| A．that | B．which | C．what | D．the fact that |