1．(2012年高考陕西卷)No matter where he is，he makes ________a rule to go for a walk before breakfast.
A．him B．this
C．that D．it
解析：句意：无论他在哪里，他都定了一个规矩——早餐之前散步。本题考查it的用法。根据句意并分析题干可知，to go for a walk before breakfast是动词make的真正宾语，空格处在句中作形式宾语，四个选项中只有it可充当形式宾语，故选择D项。
答案：D
2. (2012年高考福建卷)Nothing is so easy as ________ parents to raise their expectations of their children too high.
A．of B．to
C．by D．for
解析：句意：父母很容易对自己的孩子产生很高的期望值。本题考查句型It is＋形容词(easy)＋for sb.to do...中的介词。
答案：D
3．(2011年高考福建卷)We have various summer camps for your holidays.You can choose________based on your own interests.
A．either B．each
