tìm các số nguyên x,y thỏa mãn y^2+2xy-7x-12=0

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Mn giúp em vs ạ em đg cần gấp ạ I. Change the following sentences into the indirect speech, using the verbs in brackets: 1.Nga said “I am sorry I drop the jug. (apologized)  Nga apoligised for dropping the jug 2.The policeman said “the thief steals the bicycle”. (accused) The policeman accused the thief stole 3.The thief said “I don’t take the bicycle”. (denied) ------------------------------------------------------------------------------------------------------- 4.Tom said “he will drive Kate to the station”. (insisted) ------------------------------------------------------------------------------------------------------- 5.Ba said “I break the mobile phone”. (admitted) ------------------------------------------------------------------------------------------------------- 6.Lan said “Why don’t we go for a picnic on Sunday”. (suggested) ------------------------------------------------------------------------------------------------------ 7.David said “I always want to be a rich man”. (dreamed) ------------------------------------------------------------------------------------------------------- 8.He said to the boy “Don’t swim in that river” (warned) ------------------------------------------------------------------------------------------------------- 9. Jean said “No, it is not true. I didn’t steal the money!”. (denied) ------------------------------------------------------------------------------------------------------- 10.Peter said “Why don’t we go to the cinema this evening?” (suggested) -------------------------------------------------------------------------------------------------------- 11. David told “I ‘ve broken your pen. I ‘m sorry, Jack” (apologized) -------------------------------------------------------------------------------------------------------- 12. “No, no, I really must have another drink.” Dick said. (insisted) ------------------------------------------------------------------------------------------------------- 13. Jane said, “Let’s go to the Zoo, shall we?” (suggested) -------------------------------------------------------------------------------------------------------- 14. “Don’t touch that flower!” the old lady said to the boy. (warned) -------------------------------------------------------------------------------------------------------- 15. “Don’t use the telephone after eleven o’clock” (told) He said to me -------------------------------------------------------------------------------------------------------- 16. “Eat your meal!” (told) He said to his children. -------------------------------------------------------------------------------------------------------- 17. “You should give up smoking!” (advised) He said to me ------------------------------------------------------------------------------------------------------- 18. “I’ll go to the cinema with you” (promised) She said to me ------------------------------------------------------------------------------------------------------ 19.“Remember to pay the money to me.” (reminded) She said to me -----------------------------------------------------------------------------------------------------

Question 1 :Tsunami is one of __________ natural disasters. A. worse B. worst C. worse than D. the worst Question 2: Last night’s storm caused a lot of __________ to people in that area A. droughts B. forests C. damages D. volcanoes Question 3: Vietnam has just overcome a devastating forest __________ in Ha Tinh. A. fire B. rage C. trap D. thing Question 4: Japan suffers from a large number of __________ every year. A. typhoons B. workers C. eruption D. earthquakes Question 5: The fire was raging so fiercely that the rescue workers found it hard to put it __________. A. down B. out C. off D. with Question 6: There have been some __________ eruptions in this area for the last 10 years. A. volcanic B. scattering C. homeless D. disastrous Question 7: They are trying __________ residents from the flooded area. A. evacuate B. evacuating C. evacuated D. to evacuate Question 8: Have you ever heard __________ mudslide in mountainous area? A. of B. on C. about D. with Question 9:Many buildings __________ in the earthquake and many people have been trapped there. A. collapsed B. collapses C. collapse D. collapsing Question 10: After the tornado, a great number of people are made __________. A. shaking B. homeless C. raging D. volcanic Question 11:We can see pieces of buildings __________ on the ground A. scatter B. to scatter C. scattered D. scattering Question 12: Up to now, the number of __________ is still an estimate. A. victims B. rescuers C. trapers D. homeless Question 13: __________ happens when there is not enough water for farming and drinking. A. disaster B. mudslide C. drought D. trap Question 14:My little sister is afraid of __________, so when there is a bad storm she always hides. A. lightening B. collapsing C. shaking D. scattering Question 15: Last Sunday we wanted to go skiing, but we couldn’t because in the mountains there was an __________. A. earthquake B. drought C. flood D. snowstorm