33.It's has two years since we last visited Ha Noi
34.Nga suggested that different types of garbage should be put into different bins. (suggested + V_ing/S+should+V/S+V/S+V_ed) (Câu này cần dùng bị động vì vế sau suggested có chủ ngữ ko phải là người)
35.Hoai studied so hard that she easily passed the exam ( so + adv/adj + that + clause)
36.In the past,people didn't shop online as much as nowadays (so sánh bằng)