7.
Longer
Longest
Cheaper
Cheapest
Smaller
Smallest
Newer
Newest
1. б
2 б
3 а
4 ш
5 г
6 а
7 a
8 a
9 б
10 г
11 в
12 г
13 в
14 б
15 б
16 б
17 в
18 б
19
20
21 а
22
4. 1. bigger
2. smaller
3. best
4. oldest
5. longer
5. go
got up
was
will clean
makes
6. school
read
very well
had
sang
1. He doesn't have to do it.
2. She should do it.
3. She needn't come.
4. He will be able to come tomorrow.
5. This test should be done during 30 minutes.
6. She asked what he was doing.
7. She told me not to worry.
8. He promised that he would do it next day.
9. He was given a task yesterday.
<span>10. They are examined at the end of every semester.</span>