1.renewable energy will be used in the future 
2.this school is ours
3.how long is it from Vinh to Ha Noi?
4. I used to walk to school
5. in spite of being short, they love playing sports
6.solar energy will be used to protect the environment

7. in spite of being slim, she eats a lot
8.i'm interesting in english
8.they will fix our roof tomorrow
9.flying cars will be showed to the public when they finish it
10.solar panels will be installed on the roof ò our house next week
11.fossil fuel won't be burnt in the future
12.tokyo has fewer billionaires than new york
13.did a group of foreigners visit the slums last week?
14.the country doesn't suffer as less as the country side
15.  overpopulation cause a lot of social problems in this area, isn't it?
16. my sister has more homework than me 
CHÚC BẠN LÀM BÀI TỐT :333

`1`.Renewable energy will be used in the future

`\rightarrow` BĐ `-` TLĐ : S + will be + VpII ( by O ) ( `1 , 6 , 9 , 10` )

`2`.This school is ours

`\rightarrow` ĐTSH : ours , theirs , his , ...

`\rightarrow` ĐTSH `=` TTSH + Noun

`3`.How far is it from Vinh to Ha Noi City ?

`\rightarrow` Hỏi khoảng cách : How far is it + from N1 + to N2 ?

`4`.I used to walk to school when I was a student

`\rightarrow` `\text{S + used to + V :}` Đã từng

`5`.In spite of being short , they still love playing sports

`\rightarrow` In spite of / Despite + V-ing / N + Clause : Mặc dù ( `5 , 7` )

`=>` Dùng để chỉ về sự đối lập giữa `2` mệnh đề

`6`.Solar energy will be used to protect the environment

`7`.In spite of eating lots of food , she is still very slim

`8`.They will fix our roof tomorrow

`\rightarrow` Thì TLĐ : S + will + V

`\rightarrow` `DHNB` : tomorrow

`9`.Flying cars will be shown to the public when they finish it

`10`.Solar panels will be installed on the roof of the house next week

`11`.Fossil fuels won't be burned for energy in the future

`\rightarrow` BĐPĐ `-` TLĐ : S + won't be + VpII ( by O )

`12`.Tokyo has fewer billionaires than New York

`\rightarrow` So sánh hơn ( Danh từ ) :

`=>` S1 + V + more / less / fewer + N + than + S2 ( `12 , 14 , 16` )

`13`.Did a group of foreigners visit the slums last week ?

`\rightarrow` Thì QKĐ ( NV ) : Did + S + V ?

`\rightarrow` `DHNB` : last

`14`.The country suffers less pollution than the city

`15`.Overpopulation causes a lot of social problems in this area , doesn't it ?

`\rightarrow` Tag-question : Do / Does / ... + S ?

`\rightarrow` Mệnh đề ( KĐ ) `><` Tag-question ( PĐ ) 

`16`.My sister has more homework than me

`\text{# Eternal}`