问题补充:
Many children in Britain to have their own bank cards these days.
A. allow
B. allowed
C. are allowed
D. were allowed
答案:
A. allow
B. allowed
(答案→)C. are allowed
D. were allowed
解析:句意:现在在英国许多孩子被允许拥有自己的银行卡了。结合语境可知本句描述的是客观性的动作,故用一般现在时态。主语是动作对象,故用被动语态,选C。