do

doesn't want

does/want

gives

shares

isn't

do/like

do/remember

does/clean

doesn't like

do/do

2.Exchanging New Year's wishes at Tet is a good idea.

3.No castle in the world is lovier than Leeds castle.

4.Keeping our places clean is good.

5.No building in my area is taller than Bluesky.

1a

2d

3c

4c

5b

6a

7b

8b

9d

10c

11c

12a

Nam mother->Nam's mother nhé, mình viết thiếu ;)

1.What is his favourite season?

2.How did she go to the park?

3.Were that at the zoo yesterday?

4.When does Hoa have Science?

5.What does Nam mother often do every evening?

Her adress is 20,Ngoc Ha street, Ba Dinh District.

1/A->wants to

2/B->happy

3/D->went out.

4/B-> bỏ

5/A->How often do you go

1.Some fossil fuels are coal, crude oil, and natural gas.

2.They were formed  millions of years ago.

3.Yes, they do.

4.There are five types of renewable energy sources.They are solar, energy from the Sun; geothermal, energy from heat within the Earth; hydroelectric, energy from moving water; biomass, energy from dead plants and microorganisms and finally, energy from the wind.

5.No, they aren't

6.Because it is a natural energy, always available and does not have to be formed like nonrenewable energy.