11 than后加that
12 every改为Each
13 he改为she
14 was改为were
15 去掉that
16 第二句开端加where
17 is改为are
18 further后加on
19 a改为the
20 from改为in
11 than后加that
12 every改为Each
13 he改为she
14 was改为were
15 去掉that
16 第二句开端加where
17 is改为are
18 further后加on
19 a改为the
20 from改为in