36. A. In spite of having taken a taxi
( In spite of/ Despite + V-ing/ N= Although +S+V…: Mặc dù …. )
37. D. how old her son was
( Quy tắc chuyển trực tiếp sang gián tiếp phải lùi 1 thì )
38. B. the faster it goes
( càng..., càng... ; dạng so sánh hơn: S+V+the adj/adv )
39. A. Do the students never understand you?
40. D. Unless he works harder
( Unless +S+ V…, S+ will + V : nếu như …không….thì …)
