中国石油大学 / 中石油
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14.(2.0分) 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、6,18
A、5, 16
B、6,17
C、7,18
D、6,18
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