12. ________the man gets, ________he becomes.
A. The more old/ the more weak C. The older/ the weakest
B. The older/ the weaker D. Older/ weaker
13. She gave an interesting book ________ me.
A. to B. for C. of D. at
14. The doctor advised Tom to stop ________.
A. for smoking B. smoke C. smoking D. to smoke
15. Yesterday, I had a bad day. I got up very late and ________my bicycle was broken.
A. lucky B. unlucky C. luckily D. unluckily
16. This river is very ________ for the swimmers.
A. danger B. dangerous C. dangerously D. more dangerous
17. We prefer reading ________ playing chess.
A. with B. than C. as D. to
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