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In each group, the biggest or oldest pupil is made a monitor.
在每个小组中，最大的或最年长的学生被任命为班长。
youdao
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An experienced aid group would monitor and help her.
一家有经验的援助组织会观察并帮助她。
youdao
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An experienced aid group would monitor and help her.
一家有经验的援助组织会观察并帮助她。
youdao