Definition: for a long time Level: C1
你等了很久吗？
Have you been waiting ___for ___long?
每半小时就有班车去市中心，所以你不用等很久。
There're departures every half an hour to the city centre, so you won't have to wait ___for ___long.
她没在那里工作很久。
She didn't work there ___for ___long.
