依法治国是建设社会主义现代化国家、实现国家长治久安的根本要求。依法治国的前提是[ ]
A．有法可依
B．有法必依
C．执法必严
D．违法必究
答案：A
A long trip will _____ us much time. [ ]
A. take
B. spend
C. pay
D. cost
—When are you going camping?
—______ today or tomorrow. We’ll be free these days.[ ]
A．Neither
B．Either
C．Both
