I.
1.A
2.B
3.C
4.C
5.B
6.B
7.A
8.A
9.D
10.D
II.
1.C (play → playing )
2.A (going to have → have )
3.D (hairs → hair)
4.A (is → do )
5.B (sandwich → sandwiches )
6.C (many → much )
7.C (any → some )
8.B (goes → is going )
9.D ( foot → feet )
10.B (rope → ropes )
III.
1.C
2.A