A
1 a
2 b
3 b
4 a
5 b
6 a

B
a 3  a pen
b 2  a ruler
c 1  a book
d 5  a rubber
e 4  a pencil case
f 6  a ball pen

C
1 b
2 a
3 d
4 c
5 f
6 e

D
1 May I have notebook?
2 May I have this pencil?
3 This ruler is for you.
4 This bookmark is for David.

A
1 a
2 b
3 b
4 a
5 b
6 a

B
a 3  a pen
b 2  a ruler
c 1  a book
d 5  a rubber
e 4  a pencil case
f 6  a ball pen

C
1 b
2 a
3 d
4 c
5 f
6 e

D
1 May I have notebook?
2 May I have this pencil?
3 This ruler is for you.
4 This bookmark is for David.