:lollipop: Một số cụm từ thường dùng với on/ in/ at
:lollipop: Những cụm từ thường dùng với on: on holiday, on vacation, on business, on a trip, on a tour, on a cruise, on television, on the radio, on the phone, on strike, on a diet, on fire, on the whole, on purpose,... :star: Ex: Did you go to German on business or on holiday?
:lollipop: Những cụm từ thường dùng với in: in the rain, in the sun, in the shade, in the dark, in bad weather, in ink, in pencil, in words, in figures, in cash, in cheque, in love with, in one's opinion,...
:star: Ex: In my opinion, the film wasn't very good.
:lollipop: Những cụm từ thường dùng với at: at the age of, a a speed of, at a temperature of... :star: Ex: Jill left school at 16/ at the age of 16.