12 forget doing sth. 40 like a mirror
13 forget to do sth. 41 show up
14 like doing sth. 42 get better grades
15 start/begin to do sth. 43 watch sb. do sth.
16 stop doing sth. 44 think
17 dislike doing sth. 45 play an important role in doing sth.
18 continue to do sth. 46 learn from
19 help do housework 47 talk show
20 use the Internet 48 game show
21 stay up 49 a pair of
22 be good for 50 try one's best
23 go camping 51 as famous as
24 Old habits die hard. 52 discuss about sth.
25 in one's spare time