首 页 说 明 广 告 免费下载 联络我们
wh-代名词 wh-pronouns Who 通常用于指人,宾格whom,所有格whose. Who 可以作为主格、宾格、补语代名词: Who took that picture? Who do you teach? (非正式) Who are her parents? 与介词连用时,介词后置: Who were you speaking to? (非正式) Whom仅作为宾格代名词: Whom do you teach? (正式,不常用)
学个词 语音学 简单对话