1.
1)any
2)some
3)any
4)some
5) some
6)any
7)some
8) any
9)some
10)some
11)some
12)any
13)some
14)some
15)any
16) any
17) any
18) some
19) any
20) some
2.
1) a few
2)a lot of /a little(?)
3) a lot of
4)a few
5)a lot of
6)a lot of
7)a little
8) a few
9) a little
10) a few
11) a lot of
12) a lot of
3.
1)We met a lot of interesting people at the party
2)I ate a lot of fish for lunch
3)She bought a lot of nice shoes for the summer
4)They have a lot of problems in their business
4.
1)a little
2)a little
3) a few
4) a little
5) a little
6) a few
7) a few
8)a little
9) a little
10)a few