He was passionately addicted to ________ to pop music.
—— Excuse me, could you tell me the way to the station? —— The station? Take the second turning_____and______.
I was wondering what to do and______Mr. Wang came in.
David jumped___to get the first___the beginning of the sports.
By the time the fire-fighters arrived, the fire had been put___by the teachers and the students.
Such a problem is____difficult for a primary school student ___.