E góp đáp án ạ!
35. How long has red-claw crayfish become a problem in Vietnam?
36. Many people believe that students should be allowed to use technological devices in classroom.
37. Having developed new technologies, businesses are preparing for a future with more automation.
38. Why don't you invest more of the budget in training and development?
39. (? e nghĩ câu này tương đương: If I were you, I would bring an umbrella with me.)
=> Were I you, I would bring an umbrella with me.
40. In the future, we will be better looked after by a more modern medical system.
Câu 39, 40 có thể k chính xác lắm ạ!

35. How long has red-claw crayfish become a problem in Vietnam?
36. Many people believe that students should not be allowed to use technological devices in classroom.
37. Having developed new technologies, businesses are preparing for a future with more automation.
38. Why don't you invest more of the budget in training and development?
39.You should bring an umbrella
40. In the future, we will be better looked after by a more modern medical system.