_____I had time to check what I had written in the exam, the bell rang.
Before he went abroad, he spent as much time as he ____ English.
Mr. Wang made up his mind to devote all he could ____ his oral English before going abroad.
It was quite a serious accident, _________ caused by careless driving.
Jane was disappointed that most of the guests______ when she_______at the party.
The politician has been warned that he would be getting into great trouble ________stick to his standpoint.