All children in the UK must by law receive a full-time education from the age of______to

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All children in the UK must, by law, receive a full-time education from the age of______to______.

A.5; 16

B.6, 17

C.7; 18

D.5; 18

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗