(8)
1)Listen! Somebody sings
2) I am sorry. i don't understand
3)
4) Sarah usually walks to school
5) Ann went to London three days ago
(9)
1) More comfortable
2)
3)
4)The best
5)The longest
6) worse
7). Better
8) colder
9) the hottest
10) the worse
11) more interesting
12)