9. After knowing the annoying news, she returned to work, _____.
| A．happy | B．unhappy | C．happily | D．Unhappily |
----- It’s too strange that these people should laugh when their relatives die.
----- That is the local custom ______ the seventeenth century.
| A．dates back to | B．dated back to |
| C．dating back to | D．had dated back to |
I lent him ten magazines, ____ are more wonderful than you can imagine.
| A．most of which | B．most of them |
| C．and most of which | D．most of that |
It is silly of me _____ all eggs in one basket. That is the worst mistake I have made.
| A．to put | B．to have put | C．put | D．putting |
_________ to give up smoking, he threw away his _______ cigarettes.
| A．Determined, remained | B．Determined, remaining |
| C．Determining, remaining | D．Determining, remained |
Nowadays, ______ number of people doing fitness training is on _______ increase.
| A．a, the | B．a. an | C．the, the | D．the, an |