Hiện nay mẹ hơn con 24 tuổi , tuổi con bằng 1/4 tuổi mẹ . Hỏi hiện nay mỗi người bao nhiêu tuổi ? Mong các bạn giúp đỡ mình

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Question 33. Study hard or you will fail the exam. A. You don’t fail the exam unless you study hard. B. If you don’t study hard, you will fail the exam. C. You don’t study hard, so you will fail the exam. D. Because you study hard, you don’t fail the exam. Question 34. My school has no playground equipment or extra activities. A. I wish my school had playground equipment or extra activities. B. I wish my school had had playground equipment or extra activities. C. I wish my school can have playground equipment or extra activities. D. I wish my school will have playground equipment or extra activities. Question 35. I have not met her for three years. A. The last time I met her was three years ago. B. It is three years when I will meet her. C. I did not meet her three years ago. D. During three years, I met her once. Question 36. “What time did you come home last night, Mark?” said Tom. A. Tom asked Mark what time had he come home the previous night. B. Tom asked Mark what time he had come home last night. C. Tom asked Mark what time he had come home the previous night. D. Tom asked Mark what time he came home last night. Question 37. Did you always eat sweets when you were small? A. Were you use to eat sweets when you were small? B. Did you used to eat sweets when you were small? C. Were you used to eat sweets when you were small? D. Did you use to eat sweets when you were small? Question 38. We last visited Ho Chi Minh city 3 years ago. A. We didn’t visit Ho Chi Minh city for 3 years. B. We haven’t visited Ho Chi Minh city for 3 years. C. We haven’t visited Ho Chi Minh city for 3 years ago. D. We didn’t visit Ho Chi Minh city for 3 years ago. Question 39. They started playing tennis in 2013. A. They played tennis since 2013. B. They have played tennis in 2013. C. They have played tennis for 2013. D. They have played tennis since 2013. Question 40. You’d better take a taxi; it was raining hard outside. A. You’d better take a taxi in case it was raining. B. She advised us to take a taxi because it was raining outside. C. She gave us a lift because it was raining heavily. D. She didn’t lend us any raincoats but a taxi