1) an, a, a, a, an, a, an, an, a, an
2) 1a, 2the, 3 an,the 4 -, 5 a, 6a, 7 the, 8 the, 9 the, 10-
3)
1 is visiting, is cooking, am cleaning, is doing, 
2 am writing, am sitting, am visiting, are going
3 is changing, is becoming, is developing, are getting
4
1allows
2 moves, want
3 rises
4 is looking for
5 is reading
6 watch, are watching
7 eat