在金币制度下,各国金币可以自由地()、()及()。
参考答案:流通;铸造;输出入
女性幼年期的年龄范围是从出生后4周到 ()
A.3岁
B.8岁
C.10岁
D.12岁
E.16岁
Mathilde and her husband __ to work hard to pay off the debts.
A.made their mind
B.made up their minds
C.made up their mind
D.made up their minds