Tiếng Anh Lớp 9: 36. My best friend Lan________to England 10 years ago. A. was moving B. moves C. Moved D. has moved 37. Mr.Pike________for this company

Tiếng Anh Lớp 9: 36. My best friend Lan________to England 10 years ago. A. was moving B. moves C. Moved D. has moved 37. Mr.Pike________for this company for more than thirty years, and he intends to stay here until he________. A. worked/retires B. works/is retiring C. has been working/retires D. is working/will retire 38. While I________at the bus stop, three buses went by in the opposite direction. A. was waiting B. waited C. had waited D. were waiting 39. By the end of last March, I________English for five years. A. had been studied B. had been studying C. will have been studying D. will have studied 40. ___Alan for hours but he hasn’t answered his mobile. I hope nothing’s wrong. A. I call B. I’ve been calling C. I’m calling D. called 41. We________in silence when he suddenly________me to help him. A. walked – was asking B. were walking – asked C. were walking – was asking D. walked – asked 42. By the time the software____on sale next month, the company____$2 million on developing it. A. went – had spent B. will go – has spent C. has gone – will spend D. goes – will have spent 43. When Carol________last night, I________my favorite show on television. A. called /was watching B. had called /watched C. called /have watched D. was calling /watched 44. Linda took great photos of butterflies while she________in the forest. A. was hiking B. is hiking C. Hiked D. had hiked 45. When I____for my sister in front of the supermarket, a strange man came to talk with me. A. was waiting B. waited C. had waited D. were waiting 46. Over the past 30 years, the average robot price________by half in real terms, and even further relative to labor costs. A. is fallen B. has fallen C. were fallen D. have fallen 47. When I came to visit her last night, she________a bath. A. is having B. was having C. has had D. had had 48. John________in the same house since he left school. A. lived B. had lived C. was living D. has lived 49. Since Tom________, I have heard nothing from him. A. had left B. left C. has left D. was left 50. He will take the dog out for a walk as soon as he _______ dinner. A. finish B. has finished C. will finish D. finished, giúp em giải bài này ạ, em cảm ơn thầy cô và các bạn nhiều.