用单词的适当形式填空:Miss White helps (they) to send letters once a week
问题描述：
用单词的适当形式填空:Miss White helps (they) to send letters once a week
答
Miss White helps 【them】to send letters once a week.什么意思Miss White helps 【them】to send letters once a week.？怀特小姐每星期帮助他们送一次信。