Đáp án:

 

Giải thích các bước giải:

 1. The teacher asked him if he was working hard for the next exam then

- Câu gián tiếp chuyển với asked thì ta chuyển are-> was, you -> he  , now-> then

2. There were too many traditions in the past for people to remember them all

- Cấu trúc với too: S+ V+ so + adj/adv + that + S+V

                         => S+V + too + adj/adv + to V ( đồng chủ ngữ)

3. The other students didn't answer all the questions as well as we did.

4. Because the condition of the house was bad, we didn't hire it

- Cấu trúc : Because of + Pronoun/ Noun/ Noun phrase/ V-ing, S + V 

               => Because + S + V, S + V

5. Mrs. Mai's niece studies very hard for the exam so that she can have good marks.

- Cấu trúc so that: Mệnh đề + so that/in order that + S + can/could/will/would + V

6. Because of my frequent overseas travel, I need to improve my English skills.

           ----#tridungg----

      cho mk ctlhn để lên hạng ạ