1. （区域经典题）Nanjing Lishui Strawberry Festival opened ______ March in Fujiabian Modern Agricultural Park this year.

选项：A.on B.at C.in D.To

解析：月份前通常使用介词"in"，表示在某个月份发生的事件。因此正确答案为C。

2. （区域经典题）The castle stands in a quiet place ______ the main road at the far end of the river.

选项：A.to B.for C.off D.out

解析："off the main road"为固定搭配，意为"远离主路"，描述位置关系。因此正确答案为C。

3. （区域经典题）It was really helpful ______ him to take the cat to the animal centre ______ a rainy night.

选项：A.of;on B.of;at C.for;on D.For;at

解析：空，"It is + 形容词 + of sb to do sth"表示"某人做某事是...的"，形容词描述人的品质；第二空，具体某一天的晚上用介词"on"。因此正确答案为A。

4. （区域经典题）She always wants to do the job which she has been trained ______.

选项：A.for B.by C.on D.Of

解析："be trained for"表示"为...而接受训练"，句中指"为某项工作接受训练"。因此正确答案为A。

5. （区域经典题）—Do you know Mo Yan? —Of course.He won the 2012 Nobel Prize for literature ______ the age of 57.

选项：A.in B.at C.on D.of

解析："at the age of..."为固定搭配，表示"在...岁时"。因此正确答案为B。

6. （区域经典题）Sandy is a real book lover and she often brings home many books to read ______ the library.

选项：A.in B.for C.by D.from

解析："bring...from..."表示"从...带来"，句中指从图书馆带书回家。因此正确答案为D。

7. （区域经典题）Ice is not often seen here in winter as the temperature normally stays ______ zero.

选项：A.up B.down C.above D.below

解析：根据句意"这里冬天不常见到冰"，说明温度通常在零度以上（above zero）。因此正确答案为C。

8. （区域经典题）—Mr Mu，when did the earthquake in Ya'an，Sichuan happen? —______ 8:02 ______ the morning of April 20th.

选项：A.On:in B.At:on C.At;in D.On;on

解析：具体时刻前用"at"，具体某一天的上午用"on"。因此正确答案为B。

9. （区域经典题）I walk ______ the square after supper every day,so I know very well every small shop there.

选项：A.around B.into C.across D.through

解析："walk around"表示"绕着...走"，符合"熟悉广场每个小店"的语境。因此正确答案为A。

10. （区域经典题）—How long have you lived in the new flat? —______ 2010.

选项：A.In B.After C.Since D.Before

解析："how long"提问时间段，回答用"since + 时间点"表示"自从...以来"。因此正确答案为C。

11. （区域经典题）-How can I get more information about the donation to Ya'an? —You can e-mail Mr Wang ______ yaanearthquake@163.com.

选项：A.on B.in C.at D.by

解析："e-mail sb at + 邮箱地址"为固定用法，表示通过某邮箱联系。因此正确答案为C。

12. （区域经典题）Li Yuchun is my favourite singer，I once met her ______ 2012 in Hunan.

选项：A.to B.on C.At D.In

解析：年份前用介词"in"，注意首字母小写。因此正确答案为D。

13. （区域经典题）My father has a habit of jogging ______ the Jinchuan River for an hour in the morning.

选项：A.between B.along C.over D.through

解析："jog along the river"表示"沿着河边慢跑"，描述运动路径。因此正确答案为B。

14. （区域经典题）Yesterday I downloaded a new program ______ the Internet.Now I can watch TV and movies ______ my computer.

选项：A.From;on B.With;in C.in;with D.on;from

解析：空"download from the Internet"表示"从互联网下载"；第二空"on my computer"表示"在电脑上"。因此正确答案为A。

15. （区域经典题）Don't drive so fast！We must slow down when we drive ______ the tunnel.

选项：A.past B.across C.over D.through

解析："drive through the tunnel"表示"穿过隧道"，强调从内部通过。因此正确答案为D。