Question

Write a/an or some. Then write C for countable

Answer 1

2.some- uncountable (U)
3.a-C 9.some-U
4.some-U 10.a-C
5.some-U 11.some-U
6.some-U 12.a-C
7.a-C 　　 13.an-C
8.an-C 14.some-U
15.some-U 16.some-U
17.a-C 18.some-U
19.a-C 20.a-C