He is old enough to travel . After all, he is already 18 years old. A. on his ow
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He is old enough to travel ________. After all, he is already 18 years old.
A. on his own B. of himself C. of one’s own D. at the moment
试题答案
A
on one’s own独自地；of himself=of one’s own自己的；at the moment此刻，现在。根据句意：他长大了，可以独自旅行。要知道，他已经十八岁了。