1. There is no difference between my views on this subject and yours.

2. Sara knew that it was necessary for her brother to leave by 5 o'clock. ( S + Vbe + necessary for + O : cần thiết cho ai đó )

3. Lee asked his father how high the mountain was. ( What is the height of mountain? = How high is the mountain?: Ngọn núi này cao bao nhiều )

4. The secretary said they there wasn't any paper left for the photocopier. ( run out of paper = any paper left: hết giấy, k còn giấy )

5. I regretted not having done more to help. ( Regret + (not) Ving: hối hận về gì đó ) 

Bạn học tốt :3

#_quynhly_

`1.` There is no difference between my views on this subject and yours.

`2.` Sara knew that it was necessary for her brother to leave by 5 o'clock.

`3.` Lee asked his father how high the mountain was.

`4.` The secretary said that there wasn't any paper left for the photocopier.

`5.` I regretted not having done more to help

Giải thích:

1. There is no difference between A and B = A and B is the same: giống nhau

2. It be necessary for sb to do sth: quan trọng, cần thiết với ai để làm gì

3. Câu gián tiếp với Wh-question: S asked Wh- S V lùi thì

4. Run out of = nothing left: hết, cạn kiệt

5. Regret (not) V-ing: hối tiếc (không) làm gì

@ `Ly`