Ex 4

1. how long does it take you from your house to school

2. how long did it take Nam to do his homework

3. how long does it take him to do his homework

4. how long did it take your mother to cook meal 

5. how long does it take his brother to tidy his bedroom

Ex 5 

1. I spend 30 min from my house to school

2. Nam spent 2 hours doing his homework 

3. he spend 15 min from finishing his homework

4. my mother spent an hour to cook meal

5. his brother spend 30 min to tidy his bedroom

bài 4:

1. how long does it take you from your house to school

2. how long did it take Nam to do his homework

3. how long does it take him to do his homework

4. how long did it take your mother to cook meal 

5. how long does it take his brother to tidy his bedroom

bài 5 :

1. I spend 30 min from my house to school

2. Nam spent 2 hours doing his homework 

3. he spend 15 min from finishing his homework

4. my mother spent an hour to cook meal

5. his brother spend 30 min to tidy his bedroom