1 It's hers
2 They're ours
3 It's yours
4 They're his
5 traveling
6 laughing
7 writing
8 each other
9 one another
10 who
11 which
12 long
13 far
14 much
15 peoples
16 people
17 is closed
18 are not used
19 must
20 have to
21 studied
22 learned
23 quite
24 quite
25 quite