____________, I still couldn’t figure out what the headmaster said at the conference.
. --- I usually go there by bus. It is very crowded. --- _______ there by train? It’s fast and cheap.
. The library’s study room is full of students _______ for the exam.
. --- What a beautiful hat ! How much did it _______ you ? --- It’s _______. I’m very lucky to be the 1000th customer of the shopping center.
. Before radio and TV, music could only be heard _______, that is, you had to go to places where musicians gave performances.
. --- Have you been wasting time on computer games again ? --- _______. I’ve been studying a lot and I need a break.