The boy is very young.He can't go to school.(合并一句) The boy isn't _______ ________ ______

问题描述:

The boy is very young.He can't go to school.(合并一句) The boy isn't _______ ________ ______

The boy isn't going to school.

答案:
The boy isn't (old enough to) go to school.

很高兴能够在这里回答你的问题,这道题的正确答案应该为:
old enough to

old enough to
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