4 Read and match.
1. Open your book, please!
2. Sit down, please!
3. A: May I come in?
B: Yes, you can.
4. A: May I go out?
B: No, you can't.
1
Let's write.
1. Open your
please!
3. A: May I
B:
in?
you can.
2.
4. A: May I
b
C
d
B: No, you
Hom
up, please!
Vietnamese?