Bài 1:

1. Where did your mother go yesterday?

Bài 2:

1. Some years ago, robots couldn't move easily but they are able to walk now.

2. Many people have travelled Hue many times.

3. Mai's mother might go to Australia on holiday .

Bài 3:

People collect the broken glass and sending it to the factories.-> send

Bài 4:

1. We can save resources by using solar energy instead of fossil fuels.

2. You should reduce the amount of electricity your family uses.

3. If the students recycle and use recycled materials, they will save energy.

4. What time does the news programme often start?

CHÚC CẬU HỌC TỐT!!!

B1:

1. Where did your mother go yesterday.

B2:

1.  Some years ago robots could not move easily but they are able to walk now.

2. Many people have traveled Hue many times

3.  Mai's mother might go to Australia on holiday .

B3:

People collect the broken glass and sending it to the factories => send

B4:

1.We can save resources by using solar energy instead of fossil fuels

2.You should reduce the amount of electricity your family uses

3.What time does the news programme often start