ai rảnh làm kh ạ ^^' em cảm ơn trước  Exercise 1: Complete the sentences with relative pronoun: who, whom, that, which, whose . 1. Have you got the money ..........I lent you yesterday? 2. Peter,........... I had seen earlier, wasn’t at the party .3. This is the machine.......... cost half a million pounds. 4. Mary,............. had been listening to the conversation, looked angry. 5. Have you read the book............ I gave you? 6. The house, ................they bought three months ago, looks lovely. 7. Mrs. Jackson,............... had been very ill, died yesterday. 8. She is the woman.............. sister looks after the baby for us. 9. The dog,............. had been very quiet, suddenly started barking. 10. I didn’t receive the letters ..............she sent me