51. Neil Armstrong, .................walked on the moon, lived in the USA. A. which B. whom C. who D. whose 52. UFOs mean ................flying objects. A. unknown B. unidentified C. unable D. unimaginary 53. There is no ..................that he has been here. A. evident B. evidential C. evidentially D. evidence 54. Do you think you will be able ................a space trip? A. take B. to take C. talking D. taken 55. If I ..............a bird, I would be a drove. A. am B. is C. are D. were 56. If we became rich, we would travel .................the world. A. on B. in C. at D. around 57. She would come to see you if she .................your address. A. have B. has C. had D. having 58. Where will you go if you ................a car? A. have B. has C. had D. having 59. Where would you go if you .................a car? A. have B. has C. had D. having 60. This test must be done.................... A. carefully B. care C. careful D. careless

Cho tam giac ABC hãy xác định vị trí của điểm M sao cho vecto MC+vecto MA-vecto MB+vecto BC=0

Nếu là người con trong văn bản cổng trường mở ra , em hãy viết một đoạn văn ngắn bày tỏ tình cảm của mình đối với mẹ.

41. Yesterday a hurricane hit the................of Vung Tau City. A. coaster B. coast C. coasting D. coastal 42. The ..............can know when a volcano will erupt nowadays. A. science B. scientific C. scientists D. scientifically 43. Many people become ..................because of the natural disaster every year. A. homeland B. homesick C. homeless D. homework 44. Daddy, it’s the weather forecast .................TV. A. in B. to C. on D. at 45. I am preparing for the picnic .................my friends tomorrow. A. at B. to C. in D. with 46. Kangaroos, which come .................Australia, have long tails. A. to B. in C. from D. for 47. Mount PinaTubo, ..................is a volcano in the Philippines, erupted in 1991. A. which B. who C. whom D. whose 48. We ...............since we left school. A. don’t meet B. didn’t meet C. won’t meet D. haven’t met 49. In 1995, a huge earthquake ................the city of Kobe in Japan. A. strike B. struck C. striking D. striked 50. I can’t hear what you are saying. Can you................the radio? A. turn on B. turn off C. turn up D. turn over

làm được bài nào thì làm hất giúp mình nha,mình đang gấp

Làm hộ mình Mình cần gấp trước 10h

mọi người giải hộ mình nhanh với

Câu 4:Tìm công thức hóa học của (a) muối sắt clorua biết phần trăm khối lượng của Cl là 65,54%. (b) oxit sắt biết phần trăm khối lượng của Fe là 72,41%

31. Who looks ................your children when you are away from home? A. for B. at C. after D. to 32. He got wet ...............he forgot his umbrella. A. because of B. because C. but D. and 33. He is going to the post office..............he wants to send a letter. A. because B. but C. and D. moreover 34. She studies well...............she is busy. A. because B. since C. although D. and 35. The people..............live in Greece speak Greek. A. which B. whom C. where D. who 36. Auld Lang Syne is a song..............is sung on New Year’s Eve. A. which B. who C. whom D. when 37. Peter, ...............can compose many pieces of music, sings very well. A. which B. whom C. who D. whose 38. Do you know the man ................you met yesterday? A. who B. whom C. which D. whose 39. The car ..............he has just bought is very expensive. A. who B. whom C. which D. whose 40. According to the weather..............it will be raining tonight. A. forecast B. forecaster C. forecasted D. forecasting

làm nhanh giúp mình ạ ! mình sẽ cho ctlhn + 5sao + cảm ơn nhá