Giải thích

46. The questions are so easy that everyone can answer them. ✅ They're such easy questions.

👉 Giải thích: Cấu trúc chuyển từ "so + adj + that" sang "such + (adj) + noun + that":

• "so easy" → "such easy questions"

• "They are such easy questions that everyone can answer them."

📌 Câu hoàn chỉnh: They're such easy questions (that everyone can answer them).

47. My assistant works better when he does not have enough time. ✅ The less time he has, the better he works.

👉 Cấu trúc so sánh kép: The less + S + V, the better + S + V → Dùng để nói: càng ít... thì càng...

📌 Câu hoàn chỉnh: The less time he has, the better he works.

48. We started learning English 4 years ago. ✅ We have learned English for 4 years.

👉 Cấu trúc:

• Câu ở quá khứ đơn → chuyển sang hiện tại hoàn thành + for + khoảng thời gian

• "started ... 4 years ago" → "have learned ... for 4 years"

📌 Câu hoàn chỉnh: We have learned English for 4 years. (hoặc: We have been learning English for 4 years. – nếu muốn nhấn mạnh quá trình tiếp diễn.)

49. Women drive more carefully than men do. ✅ Men do not drive as carefully as women do.

👉 Cấu trúc so sánh bằng (phủ định):

• not as + adv + as → “do not drive as carefully as”

📌 Câu hoàn chỉnh: Men do not drive as carefully as women do.

50. She wanted to know if I had studied English for a long time. ✅ She asked me if I had studied English for a long time.

👉 Cấu trúc tường thuật câu hỏi Yes/No (Indirect question):

• Dùng asked + if/whether + S + had + V3 (quá khứ hoàn thành vì câu gốc là quá khứ)

📌 Câu hoàn chỉnh:

She wanted to know if I had studied English for a long time. She asked me if I had studied English for a long time.