diff --git a/app/cloze/create_clozeTest.py b/app/cloze/create_clozeTest.py
new file mode 100644
index 0000000..c11dc31
--- /dev/null
+++ b/app/cloze/create_clozeTest.py
@@ -0,0 +1,122 @@
+import random
+import sqlite3,re
+from nltk.corpus import wordnet as wn
+
+class Essay:
+    def __init__(self):
+        self._article_id = 0
+        self._essay = None
+        self._difficulty = None
+        self._answers = None
+        self._questions = None
+        pass
+
+    @property
+    def article_id(self):
+        pass
+
+    @article_id.setter
+    def article_id(self,article_id):
+        self._article_id = article_id
+        self.find_essay_in_database(self._article_id)
+
+    #获取数据库中的文章和等级
+    def find_essay_in_database(self,id):
+        try:
+            # 连接数据库
+            conn = sqlite3.connect("static/wordfreqapp.db")
+            # 创建游标
+            cursor = conn.cursor()
+            cursor.execute("select text,level from article where article_id = "+str(id))
+            results = cursor.fetchall()
+            conn.commit()
+            cursor.close()
+            conn.close()
+            self._essay = results[0][0]
+            self._difficulty = results[0][1]
+            return results
+        except Exception as e:
+            print(e)
+
+    #将文章分割成单词列表
+    def split_essay_to_word(self):
+        article = "".join(self._essay)
+        words = re.split(r"\b[\.,\s\n\r\n\$\']+?\b", article)
+        word_list = [word.lower() for word in words]
+        return word_list
+
+    #从数据库中查找和文章难度相同的单词
+    def find_same_difficulty_words(self):
+        result_list = []
+        try:
+            # 连接数据库
+            conn = sqlite3.connect("static/wordfreqapp.db")
+            # 创建游标
+            cursor = conn.cursor()
+            cursor.execute("select word from words where difficulty = " + str(self._difficulty))
+            results = cursor.fetchall()
+            conn.commit()
+            cursor.close()
+            conn.close()
+            for result in results:
+                for res in result:
+                    result_list.append(res)
+            return result_list
+        except Exception as e:
+            print(e)
+
+    #获取单词的近义词
+    def get_word_synsets(self,word):
+        synsets_set = wn.synsets(word)
+        synset_list = []
+        for synset in synsets_set:
+            synset_list.append(synset.name().split(".")[0])
+        return synset_list
+
+    #生成完形填空
+    def create_clozeTest(self,essay):
+        essay.article_id = self._article_id
+        word = []  # 存放文章中含有的与文章难度相同的单词
+        answers = []  # 存放正确答案
+        questions = []  # 存放题目
+
+        database_words = essay.find_same_difficulty_words()
+        essay_words = essay.split_essay_to_word()
+        for essay_word in essay_words:
+            if database_words.__contains__(essay_word) and essay_word not in word:
+                word.append(essay_word)
+
+        if len(word) <= 10:
+            answers = word
+        else:
+            for i in range(0, 10):
+                w = word[random.randint(0, len(word) - 1)]
+                if not answers.__contains__(w):
+                    answers.append(w)
+
+        self._answers = answers
+
+        No = 1
+        for answer in answers:
+            questions.append(list(answer.split(",")))
+            self._essay = self._essay.replace(answer,'('+str(No)+')____', 1)
+            No += 1
+
+        for question in questions:
+            synset = list(set(essay.get_word_synsets(question[0])))
+            if len(synset) == 0 or len(synset) == 1:
+                question.append(word[random.randint(0, len(word) - 1)])
+            else:
+                syn = synset[random.randint(0, len(synset) - 1)]
+                while (syn == question[0]):
+                    syn = synset[random.randint(0, len(synset) - 1)]
+                question.append(syn)
+
+            while len(question) < 4:
+                add_word = word[random.randint(0, len(word) - 1)]
+                while question.__contains__(add_word):
+                    add_word = word[random.randint(0, len(word) - 1)]
+                question.append(add_word)
+            random.shuffle(question)
+
+        self._questions = questions
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index f431e0a..fcb5910 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 Flask==2.1.2
 selenium==3.141.0
 PyYAML~=6.0
+nltk==3.7
\ No newline at end of file