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2 năm trước
a) (2√3 +√5 ) √3-√60 b) ( √99-√18- √11) √11+3√22
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Exercise 2: Complete the sentences with the correct form of words If you___________(find) a wallet in the street, what would you do with it? I must hurry. My friend____________(be) annoyed if I___________(not/be) on time. If I________(be) a bird, I_____________(not/want) to live my whole life in a cage. I didn’t realize that Gary was in the hospital. If I____________(know) he was in hospital, I___________(go) to visit. If you_____________(pour) oil on water, it_____________(float) If the phone____________(ring), can you answer it? If I______________(have) wings, I______________(not/have to) take an airplane to fly home. A: What will we do tomorrow? B: Well, if it___________(be) a nice day, we____________(go) to the beach. A: You look tired. B: If you_____________(not/wake) me up in the middle of the night, I__________(not/be) tired. This soup isn’t very good. it____________(taste)better if it___________(not/be) so salty. Unfortunately, I didn’t have my address book with me when I was in New York. If I___________(have) your address, I____________(send) you a postcard. I think there are many cars. If there_____________(not/be) so many cars, there___________(not/be) so much pollution. The accident was your fault. If you___________(drive) more carefully, it_____________ (not/happen). People___________(be) able to fly if they____________(have) feathers instead of hair. Last night Alex ruined his sweater when he washed it. If he___________(read) the label, he______________(not/wash) it in hot water. Mn giúp em và giải thích nha

use the word given and other words to completr each sentence 1.I'd be greatful if you could check this time(checking) They....on the project 2.someone stole his credit card last week(had) He...last week 3.this music reminds me of my childhood(brings) This music...of my childhood 4.If i am told in advance,I can arrange things Provided...in advance,I can arrange 5.He had never seen such a huge plane(before) Never...such a huge plane 6.He was made to wait two hours too see the boss(kept) The boss....hours before he saw him 7.Sheila doesn't like fish.Ann doesn't like fish either(nor) Neither.....fish 8.Paul regretted telling lies(wished) Paul...lies 9.The bus came late,so he was late(earlier) If the bus...not have been late 10.I hope you have fun at the reception.(yourself) I hope...at the reception

Exercise 1: Choose the correct answer 1. If the weather________ good tomorrow, we_________ swimming. A. is / go B. is /will go C. will be/will go D. will be/go 2. If Tom were late again, he_________ his job. A. loses B. lose C. will lose D. would lose 3. If I had known that you were in hospital, I_________ you. A. will visit B. would have visited C. would visit D. visit 4. You‘ll__________yourself a lot of time if you take the car. A. spend B. make C. save D. spare 5. If he comes here, I_________ it. A. make him do B. make him will do C. will make him do D. will make him will do 6. If I_________you, I wouldn’t buy that coat. A. am B. was C. were D. would be 7. Tam_________ more if he_________more time. A. will read - had B. would read - has C. read – had D. would read - had 8. If I didn’t want to go to the party, I_________go. A. don’t B. didn’t C. won’t D. wouldn’t 9. If she understands the lesson, she________ it A. will do B. do C. won’t do D. would do 10. Will you be angry if I _____ your pocket dictionary? A. stole B. have stolen C. were to steal D. steal 11. If the wall weren't so high, he _____ it up to take his ball down. A. climbed B. could climb C. is climbing D. climb 12. If he ______ the truth, the police wouldn’t arrest him. A. tells B. told C. had told D. would tell 13. If I ______ in London now, I could visit British Museum. A. were B. had been C. have been D. would be 14. If you didn't wear shabby clothes, you _______ more good-looking. A. would have been B. would be C. can be D. will be 15. If I ________ an Angel, I would try to make all the children happy. A. am B. have been C. were D. had been 16. A doctor _________ if somebody falls ill. A. will be cold for B. will be called for C. will call for D. would be call for Mn giúp mik và giải thích câu điều kiện loại mấy nha

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