giúp mình với
Relative clause
1.I was sitting on a chair. It suddenly collapsed
-> The chair
2.Mr.Smith said he was too busy to speak to me. I had come specially to see him
-> Mr.Smith
3. I saw several houses. Most of them were quite unsuitable
-> I
4. Graham took us to his office. It was filled with books
->The office
5.The picked up five boat-loads of refugees.Some of them had been at sea for several months
-> They
Loga
Sinh Học lớp 12
