1, Although Facebook has many benefits, it is time- consuming and risky

=> In spite of_______

2,The school I studied at last year was better than this one

=> This school isn't ______

3, It's though that the accident was caused by human error

=> The accident is______

4,In spite of his good learning condition, he doesn't study well

=> Although______

5, They didn't use as much electricity as we did

=> We used_____

6, People have widely used the Internet all over the world

=> The Internet_______

Đáp án + giải thích các bước giải:

1. Although Facebook has many banegifits, it is time-consuming and risky.

→ In spite of its many benefits, Facebook is time-consuming and risky.

+ In spite of + v-ing/o, s + V 

2. The school i studied at last year was better than this one

→ This school ins't as good as the school i studied at last year.

+ S + tobe + as + adj + as + s

3. It's thuogh that the accident was cased by human error.

→ The accident is thuoght to have been cased by human error.

+ Ta sử dụng động từ đặc biệt: S + tobe + thuoght + to + have p2

4. In spite of his good learning condition, he doesn't study well.

→ Although his learning condition is good, he doesn't study well.

+ Although + s + v,s + v

5. They didn't use as much electriccity as we did.

→ We used much more electricity than they did.

+ S + v + more/less + n + than + s

6. People have widely used the internet all over the world.

→ The internet has been widely used all over the world.

+ S + has/have + been p2