Task 18

1/ If you burn rubbish, you will produce harmful smoke.

2/ If you reuse bottles, you will save a lot of money.

3/ If you use recycled paper, you will help to save trees.

4/ If you plant trees in the schoolyard, your school will be a green place.

5/ If the school has rubbish bin in every class, the classrooms will be cleaner.

Task 19:

1/ We have had this robot bought from Japan by my father last week.

2/ If I don't have a modern robot, I won't be able to do evrything myself.

3/ Minh is very interested in teaching robots.

4/ The robot in my house is a very good floor cleaning robot.

5/ People won't have to do all the dangerous things in the future beause the robots will be able to do that.

Task 20:

1/ can't

2/ will be able to

3/ could

4/ can

5/ couldn't

6/ won't be able to

7/ can

8/ couldn't

9/ could

Chúc bạn học tốt!

(Mình cũng ko học giỏi lém đâu)

Trong ảnh nha!