考点：考察习惯搭配。
attend/go to school/上学
attend a meeting/参加会议；Attend a class/上课
take part in (discussion， activities)/参加讨论，活动等
enroll sb. in 登记注册
2.A. were run B. run C. is run D. is running
The large group of religious schools in America __2__ by the Roman Catholic Church.
2. C 分析：考点：考察主语谓语一致性原则。
run： v. 竞选， 延伸向， 控制，管理，冒（危险等），操作
e.g. ran for mayor/竞选市长
e.g. This road runs to the next town./这条路伸向临近的一个镇
e.g. run the campaign管理比赛
e.g. run a risk冒一次险
e.g. run a machine操作机器
3. 3.A. less B. more C. rather D. much
While religious schools tend to be __3__ expensive than private schools， there are usually some fees.
3. A 分析：利用被选项特点：A和B是正反项。借助句意判断A是答案。
考点：考察while揭示的逻辑意义。
4.A. spend B. pay C. cost D. take
When there is free education available to all children in the United States， why do people __4__ money on private schools？
4. A． 分析：考察近义词的搭配使用特点。
Spend time/money on sth./in doing sth.
Pay (money) for.。。/
Cost (sb.) money/time/