自认已经全部改好了：
1.who's→whose
2.the excellent→the most excellent
3.but she work very hard→she works very hard
4.on common→in common
5.a lot talk about→a lot to talk about
6.something happened→something had happened
7.was out→were out
8.while she smelt→when she smelt
9.stopped look→stopped to look
10.find a cloud→found a cloud
11.called 119 immediate→dialed 119 immediately
12.put out fire→put out the fire