Cho tam giác ABC vuông cân tại A thì: A. BC = AC +AB B. AB = AC C. BC^2 = AC^2 +AB^2 D. AB = BC + AC GIÚP MÌNH VỚI!!!

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I. Choose the word / phrase (A, B, C or D) that best fits the space in each sentence. 1. The Browns __________Cham temple and Tri Nguyen aquarium last Sunday. A. visited B. looked C. came D. sent 2. I went to Ben Thanh Market ……………… Friday A. yesterday B. next C. last D. at 3. She lives next door to my house. She is my.................. A. teacher B. dressmaker C. neighbor D.hairdresser 4. They didn’t ……………………..any souvenirs last week A. buy B. bought C. buyed D. buys 5. Liz is from America. She is a good friend of………………….. A. I B. mine C. me C. my 6. Last week The Robinsons ____ Alice to Tri Nguyên aquarium for the first time. A. made B. went C. came D. took 7. Daisy tried the shirt ___ but it didn’t fit. A. in B. at C. with D. on 8. They are neighbors and it is not difficult to _____ in touch. A. be B. come C. keep D. take 9. . It’s not difficult ______ how to use a computer. A. to learn B. learn C. learning 10. The students were nervous before the test. A. worried B. pleased C. glad 11. You can go back to the waiting room. A. return B. follow C. get on D. wait 12. He talked to her friends __________ her vacation ________ Nha Trang. A. about / in B. about / to C. about / with D. with / to 13. __________you ________ a good movie last night? A. Are / watch B. Do/watch C. Does/watch D. Did/ watch 14. She talks to her friends _______her vacation in Da Lat. A. about B. on C. with D. at 15. I _________very happy on my last vacation. A. am B. was C. were D. did 16. It was a green shirt ______ white flowers ________ it. A. in/on B. at/with C. at/ in D. with/ on 17. I brought back a cowboy hat as a ________ of my trip A. thing B. souvenir C. toy D. clothes 18. They stopped _____ the restaurant ______ a short time. A. in / in B. on/ in C. at / for D. on/ at 19. ‘Are you going to take your younger brother to the zoo?’ – ‘No. I _____ him there yesterday.’ A. take B. taking C. took D. am taking 20. Last week, The Robinsons ______________ to a new apartment. A. are moving B. move C. moved D. moves