Đáp án là: Cambridge hasn’t changed since 1990s.

She wanted to know if I had done this job before

She wanted to know if I had done that sort of work before

1,our solar system is in a galaxy.The galaxy is called the Milk Way

our solar system is in a galaxy called the Milk Way

2,i come from a city.Thí city is located in the southern part of the country

i come from a city located in the southern part of the country

3,anyone must take an entrance exemination.Anyone applies to that school

Anyone applying to that school must take an entrance exemination

4the boy drew pictures of people at the airport.The people were waiting for their planes

the boy drew pictures of people waiting for their planes at the airport

5 sunlight wakes me up early in the morning .It comes through the window

sunlight coming through the window wakes me up early in the morning .

6 only a few of the movies are suitable for the children.The movies are shown on Channel 15

only a few of the movies shown on Channel 15 are suitable for the children.

7 i was wakened by the sound of the laughter.It comes from the room next door to mine

i was wakened by the sound of the laughter coming from the room next door to mine

8 the students have become quite proficient in their new language.They attend class five hours per day

 the students attending class five hours per day have become quite proficient in their new language.

9 Disney World is a famous amusement park.It í located in Orlando ,Florida ,USA,and covers a large area of land

 Disney World is a famous amusement park located in Orlando ,Florida ,USA,and covers a large area of land

10 do you know the police man?He is coming toward us

do you know the police man coming toward us

A man phoned and asked for yọu He spoke with a foreign accent

-> The man who spoke with a foreign accent phoned and asked for yọu

6 As it was raining heavily, we decided to stay home and watch TV

7 Because he wants to get fit, he is training hard

8 Since Sally was ill, she didn't go to school yesterday

9 Jane stayed behind after the class because she wanted to talk to the teacher

10 He was sick so he stayed at home

6. We decided to stay at home and watch TV as  it was raining heavily.
7. He's training hard because he wants to get fit.
8. Sally didin't go to school yesterday since she was ill.
9. Jane stayed behind after the class because she talked to the teacher.
10. He stayed at home because/as/since he was sick.

1 He stopped the car because the traffic lights turned red

2 As Jane didn't join our programme, she had to take a summer course

3 Since he behaved very rudely, everyone dislikes him

4 Because they like doing something useful , they do volunteer work

5 I won't be able to attend the meeting since I will be on holiday with my family

1.He stopped the car because the traffic light turned red.

2Jane didn't join our programme as she had to take a summer course.

3.Since he behave very rudely,everyone dislike him.

4.They like doing something useful because they do volunteer work.

5.I won't able to attend the meeting, since I'll be on holiday with my family.

I used to own a bicycle similar to yours.

1. I will call you as soon as I arrive at the station.

2. Many Vietnamese women wear conical hats when they work in the field.

3. My father taught me how to use the computer before he bought one for me.

4. Nick is reading a novel while Jack is reading a cartoon.

5. There were only a few houses left standing after the tornado hit.

1. I will call you as soon as I arrive at the station.

(Tôi sẽ gọi cho bạn ngay khi tôi đến ga.)

2. Many Vietnamese women wear conical hats when they work in the field.

(Nhiều người phụ nữ Việt Nam đội nón lá khi họ làm việc trên đồng.)

3. My father taught me how to use the computer before he bought one for me.

(Bố tôi dạy tôi cách sử dụng vi tính trước khi mua cho tôi một cái.)

4. Nick is reading a novel while Jack is reading a cartoon.

(Nick đang đọc tiểu thuyết trong khi Jack đang đọc truyện tranh.)

5. There were only a few houses left standing after the tornado hit.

(Chỉ còn vài ngôi nhà trụ vững sau khi lốc xoáy cuốn qua.)

She wanted to know if I had done that sort of work before