4.
1.I am the oldest in my family.
2.My sister is younger than me.
3.Who is the oldest in the class?
4.Your book is more interesting than my.
5.Peter bought the most expensive watch in the shop.
6.English isn't as difficult as Japanese.
7.Today weather is much better than yesterday.

5.
1.faster
2.narrower
3.the quickest
4.sooner
5.taller
6.the most beautiful
7.prettiest
8.the most tastiest

6.
1.some
2.somebody
3.something
4.no
5.any
6.anything
7.somebody
8.any,some
9.nothing,something
10.any
11.everything
12.some
13.anyone
14.any
15.Someone

7.
1.How's going to Anna?
2.What is doing Sue?
3.When will they go home?
4.When they are going?
5.Where I was last Sunday?
6.Which is your cup?
7.How many peoples were invited to Helen's wedding?
8.Why Sue is walking to her work by foot?
9.Who with went Nicola on holiday?
10.How long she taught language?

9.
1.many
2.much
3.a lot of
4.many
5.much
6.a lot of
7.a lot of
8.much

10.
1.a few
2.few
3.a little
4.few
5.little
6.little
7.a little,few
8.little