According to the school rules,no student _________go out of the school after eleven o’clock at night without the teacher’s permission.
You can never imagine what great difficulty I have _____ your house.
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.