EX 2. Complete the dialogue with sentence in the box.
a. Lt's go to the river to swim.                                       b. We can cause accidents.
c. You should be careful because you may cut yourself.        d. It may scratch you.
1. Mum: What are you doing, Tony?                                3. Thang: Do you like playing football.
Tony: I'm playing with the kitten.                                      Manh: Yes. Of course. But where can we play?
Mum: Be careful.......................                                        Thang: On this street.
Tony: Ok, mum.                                                                Manh: Oh, it't too dangerous..........................
2. Linda: What do you like doing in the park.                    4. Mai: Do you often help your parents at home?
Phong: I like swimming.                                                     Nhung: Yes. I usually help my mother to peel potatoes and 
    Linda: Oh,........................                                              slide meat with a sharp knife.
Phong: Yes, but don't swim too far. We may drown.         Mai: ..........................................................................
                                                                                           Nhung: Ok, Thank you.