改错：This is the third film which has been shown in our school this term 这句话哪错了 Which和that的用法到底是怎样判断的

\u82f1\u8bed\u6539\u9519\u6c42\u89e3 1. This is the last film which has been

which--that\u3010\u56e0\u5148\u884c\u8bcd\u6709the last\u4fee\u9970\u3002\u4e0d\u7528which\u3011
what--which\u3010which\u6307\u4ee3\u524d\u9762\u6574\u53e5\u8bdd\u5185\u5bb9\u3011

\u4f60\u8bf4\u7684\u662f\u9009\u62e9\u53e5\u8fd8\u662f\uff1f

which\u4e0ethat\u4e24\u8005\u90fd\u53ef\u6307\u7269,\u5e38\u53ef\u4e92\u6362.\u5176\u533a\u522b\u4e3b\u8981\u5728\u4e8e\uff1a
1.\u5f15\u5bfc\u975e\u9650\u5236\u6027\u5b9a\u8bed\u4ece\u53e5\u65f6,\u901a\u5e38\u8981\u7528which.\u5982\uff1aShe received an invitation from her boss,which came as a surprise.\u5979\u6536\u5230\u4e86\u8001\u677f\u7684\u9080\u8bf7,\u8fd9\u662f\u5979\u610f\u60f3\u4e0d\u5230\u7684.
2.\u76f4\u63a5\u653e\u5728\u4ecb\u8bcd\u540e\u4f5c\u5bbe\u8bed\u65f6,\u901a\u5e38\u8981\u7528which.\u5982\uff1aThe tool with which he is working is called a hammer.\u4ed6\u5e72\u6d3b\u7528\u7684\u90a3\u4e2a\u5de5\u5177\u53eb\u505a\u9524\u5b50.
3.much,little,none,all,few,every(thing),any(thing),no(thing) \u7b49\u65f6,\u901a\u5e38\u7528that.\u5982\uff1aThere was little that the enemy could do but surrender.\u654c\u4eba\u65e0\u6cd5,\u53ea\u6709\u6295\u964d\u4e86.All [Everything] that can be done must be done.\u51e1\u80fdthat can be done must be done.
4.\u5f53\u5148\u884c\u8bcd\u6709the very,the only,the same \u7b49\u4fee\u9970\u65f6,\u901a\u5e38\u7528that.\u5982\uff1aThis is the only example that I know.\u6211\u77e5\u9053\u7684\u4f8b\u5b50\u53ea\u6709\u8fd9\u4e00\u4e2a.Those are the very words that he used.\u90a3\u662f\u4ed6\u7684\u539f\u8bdd.
5.\u5f53\u5148\u884c\u8bcd\u6709\u5f62\u5bb9\u8bcd\u6700\u9ad8\u7ea7\u6216\u5e8f\u6570\u8bcd(\u5305\u62eclast,next\u7b49)\u7b49\u4fee\u9970\u65f6,\u901a\u5e38\u7528that.\u5982\uff1a.\u5982\uff1aThis is the best dictionary that I\u2019ve ever used.\u8fd9\u662f\u6211\u7528\u8fc7\u7684\u6700\u597d\u7684\u8bcd\u5178.The first thing that you should do is to work out a plan.\u4f60\u5e94\u8be5\u505a\u7684\u7b2c\u4e00\u4ef6\u4e8b\u662f\u8ba2\u4e2a\u8ba1\u5212.
6.\u5f53\u5173\u7cfb\u4ee3\u8bcd\u5728\u5b9a\u8bed\u4ece\u53e5\u4e2d\u7528\u4f5c\u8868\u8bed\u65f6,\u901a\u5e38\u7528that.\u5982\uff1aChina is not the country (that) it was.\u4e2d\u56fd\u5df2\u4e0d\u662f\u8fc7\u53bb\u7684\u4e2d\u56fd\u4e86.
7.\u5f53\u5148\u884c\u8bcd\u662f\u4e00\u4e2a\u65e2\u6307\u4eba\u53c8\u6307\u7269\u7684\u5e76\u5217\u8bcd\u7ec4\u65f6,\u901a\u5e38\u7528that.\u5982\uff1aThey talked about the persons and things that most impressed them.\u4ed6\u4eec\u8c08\u8bba\u4e86\u4f7f\u4ed6\u4eec\u5370\u8c61\u6700\u6df1\u7684\u4eba\u548c\u4e8b.\u4ed6\u4eec\u8c08\u8bba\u4e86\u4f7f\u4ed6\u4eec\u5370\u8c61\u6700\u6df1\u7684\u4eba\u548c\u4e8b.
8.\u5f53\u8981\u907f\u514d\u91cd\u590d\u65f6.\u5982\uff1aWhich is the course that we are to take?\u6211\u4eec\u9009\u54ea\u95e8\u8bfe\u7a0b?
\u8f6c\u53d1\u7684

应该是：
This is the third film that has been shown in our school this term .
答案：which~that
解析：这里考查定语从句，先行词有序数词修饰时，引导词用that, 不能用which.

定语从句的关系代词有三种情况不能用 which：

1) 先行词是形容词最高级或被最高级修饰；
2) 先行词是不定代词或被这类词修饰？
1) 先行词是序数词或被序数词修饰。

本句先行词 film 被序数词 third 修饰，所以定语从句的关系代词 which 应该用 that。