问题补充:
You may depend on that they will look after your daughter when you are away.
A. them
B. this
C. her
D. it
答案:
A. them
B. this
C. her
D. it
解析:考查it用法。在英语中it可以作为形式主语,形式宾语或者引导强调句型。另外一个很重要的用法就是本题的无所指it,也称为模糊it。如I hate it when it is hot.我讨厌天气太热。这里的It不能省略。