The little girl is ( )(able) to reach the apple because she is not tall enough

问题描述:

The little girl is ( )(able) to reach the apple because she is not tall enough

able,原形

not able
考察短语“be (not)able to do sth”能够做某事!
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unable
因为不够高就够不着,表示否定,应该用able的否定形式.

The little girl is (able )to reach the apple because she is not tall enough
be able to do sth 有能力做某事