46 the last time i went to the supermarket was three weeks ago
-> cấu trúc the last time + S + V-ed / V2 + N + was + thời gian + ago
47 mary spent one hour travelling to her countryside last week
-> cấu trúc spend time doing something
48 both alcohol and cigarettes are bad for our health
-> both : cả hai
49 i’d rather stay at home than go out in this wet weather
-> cấu trúc would rather + to V / V nguyên mẫu
50 no girl in my class is shorter than ha
-> so sánh hơn
-> 1 âm tiết : adj + er + than
-> 2 âm tiết : more + adj + than
