Built mainly on natural resources , the prosperity of the city was _______ and its economy almost collapsed when coal prices began to fall in 2012.
He lay in bed, listening to the rain _______ the window.
The president wanted to _______ him about filling the post of the sales department.
For quite_____ students,their teacher's advice is more important than _____ of their parents'.
Unfortunately, when I dropped in, Doctor Li _______ for Beijing to join in the fight again SARS, so we only had time for a few words.
It was the training ______ he had at school ______ made him a good jumper.