1.a
2.an
3.there is
4.some
5.there is
6.there are
7.some
8.any/a
9.any/an
10.any
11.there is not
12.any
13.any
14.there are not
15.is there
16.is there
17.any
18.is there
19.some
20.are there
21.any
Объяснение:
