党金国：help sb do sth等于什么
2020/08/12 17:09:43
吴佳的回答：
help sb do sth=help sb to do stn/help sb with sth/aid sb in doing sth/assist sb in doing sth
professor的回答：
help sb to do sth. = help sb. do sth. = help sb with sth.
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