【单选题】— May I _____ Helen? — This is Helen speaking. [ ]
【简答题】You must make___clear that no harm comes to her.
【简答题】You must make _________ clear that no harm comes to her. [A]that . [B]it [C]this [D]what
【简答题】衡量金融一体化的方法有哪些?它们各自有什么特点?
【简答题】A Juana y a Sandar no _____ gusta cantar ni bailar.
【单选题】You must make ______ clear that no harm comes to her.
【判断题】No me gusta cantar ni bailar.
【简答题】解释浓差极化现象,减小浓差极化的方法有哪些?