Bài 1
A. Combine the two sentences to complete the sentences
Câu 1 . The building is very old . He lives there ( where)

=> the building where he lives is very old
Câu 2 . I will tell you something . You didn't know if before ( which )

=> i will tell you something which you didn't know before
Câu 3. I will never forget the day . I met you then ( when )

=> i will never forrget the day when i met you
Câu 4 . It was cold . However , Tom still went swimming ( although)

=> although itt was cold, tom still...
Câu 5 . Jhon is very sad . He fails the final exam (because )

=> john is very sad because he fails....
Câu 6 . He never left the house . He had been born there ( where)

=> he never left the house where he had ....
Câu 7. I met the man . He works in a bank ( who )

=> i met the man who works in ...
Câu 8. Here are the letters . They arrived this morning ( which )

=> here are the letters which arrived this morning
Câu 9. My grandfather is very old . He is still young at heart ( athough)

=> although my grandfather is very old, he is ....
Câu 10. Tom gets a lot off money he works hard ( because)

=> tom gets a lot of money because he works hard