Bài 1:

1) What's the common type of accident for young children at home?

- The common type of accident is Falling.

2) How to prevent a child from falling out of the windows?

- Make sure you should close all the windows at home.

3) What may happen if a child goes near the stairs?

- He or she will broke his or her arm and legs.

4) What should we do when a child is on a bed or a sofa?

- You should prevent your child or make sure he or she can't roll off the bed.

Bài 2:

1) Don't leave (let) your child play with the knife.

2) Mary is cooking (cook) in the kitchen at present.

3) Where are you, Peter? I (be) upstairs, Mum.

4) Jimmy climbed (climb) the apple tree yesterday. He fell (fall) and broke (break) his leg.

5) Look! He's running (run) down the stairs. He may break his arm

6) Mai has a toothache. She will go (go) to the dentist tomorrow.

7) Hoa washes (wash) her hair three times a week.

Bài 3:

1) How old is Nga?

- She's 13 years old.

2) What does she do in her free time? 

- She goes swimming with her brothers.

3) What does Nga's mother like?

- She likes reading.

4) What does Nga's father do in his free time?

- He plays chess and watching sport programmes.

5) What do Nga and her brothers like?

- They like sports.

6) Where do they often go hiking?

- They often go hiking in the forest.

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