Cho PT: x² - 2(m-1)x +m² -3m =0
Tìm các giá trị của m để PT:
1. có 2 nghiệm phân biệt, tìm các nghiệm đó
2. có 2 nghiệm kép. tìm nghiệm với m vừa tìm được
3. vô nghiệm

1. Without this treatment, the patient would have died
-> If___________________________________
2. If he lends me some money, I will buy that house
-> Should______________________________
3. If I were you , I would work harder
-> Were______________________________
4. If my parents hadn't encouraged me, I wouldn't have taken pass exam
-> Provided_______________________________

1. "Don't try to open it now", she said to us
-> She told______________________________
2. "How long are you going to stay here?", I asked him
-> I asked him_____________________________
3. "Jean, have you seen my gloves?" Thomas asked
-> Thomas asked Jean__________________________
4. "I'll pay him if I can" she said
-> She said that______________________________
5. If I don't come here early, I will miss the bus
-> Unless__________________________________
6. If he doesn't do that, he will get bonus
-> Unless__________________________________
7. You can't visit Paris unless you get a visa
-> If_______________________________________
8. You study harder or you will fail your exam
-> If________________________________________
9. If it doesn't rain, we will go for a picnic
-> Unless____________________________________
10. He lost his job because he was late every day
-> If_________________________________________

1. Why don't you meet to discuss the pay offer
-> I suggest___________________________
2. As I get older, I want to travel less
-> The older__________________________
3. How long have Catherine and Henry been engaged?
-> When _____________________________
4. She had to do the washing up but she didn't
-> She forgot____________________________________
5. Their trip lasted three days
-> They had________________________________________
6. He wrote the letter in two hours
-> It took_____________________________________
7. "Open the door", he said to them
-> He told them____________________________________
8. "What are you going to do next summer?" she asked
-> She asked us_________________________________
9. "Which way did they go?" he asked
-> He asked______________________________________
10. "Bring it back if it doesn't fit", I said to her
-> I told_________________________________________