____(毕竟), it seemed to them that most other children had "normal" families whose mothers were "around," whereas their own mothers were never home.
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____(过于频繁地), however, the mothers arrive home exhausted and face the immediate task of preparing dinner.
Latchkey girls, by observing how their mothers ____(处理好) the demands of a family and a job, learned the role model of a working mother.
Frequently, they would ____(打瞌睡).
Many factors must be ____(考虑在内): the children's personality and maturity, the amount of time the children will be alone, the safety of the neighborhood, accessibility of help in case of an emergency.