Bai 1:

1, 0

2, An

3, an

4, a; 0

5, 0

6, a

7, 0

8, an

9, 0

10, 0

11, an

12, a

13, 0

14, an

15, 0

Bai 2:

1, any

2, any

3, some

4, any

5, any

6, some

7, any

8, some

9, some

10, some

11, some; some

12, any

13, some

14, some

15, some

Bai 3

1, any

2, a

3, some

4, a

5, a

6, a

7, any

8, a

9, a

10, a

11, any

12, any

13, Some

14, any; some

15, any

bài 2

1, any     2, any     3, some     4, any     5, any     6, some     7, any    8, some    9, some    10, some

11, some/some     12, some     13, any    14, som    15, some

bài 3

1, any       2, a     3, some     4, a     5, a      6, a     7, any     8, a    9, a    10, a     11, any    12, any   13, some   14, any/some    15, any

 chúc bn học tốt,nếu có sai sót mong bn bỏ qua