下列河流中注入太平洋的是()
A.叶尼赛河
B.恒河
C.湄公河
D.印度河
参考答案:C
—Must I park my car behind the building?
—No, you _______. You _______ park it there.
A.mustn’t; may
B.may not; must
C.don’t have to; may
《洛桑条约》