选择题：21. September is the _______ month of the year? (

题目内容：

21. September is the _______ month of the year? ( )(本题4.0分)
A、 nine
B、 ninth
C、 the nine
D、 the ninth

参考答案：

30. ---- I have some trouble with this problem Cou

30. ---- I have some trouble with this problem Could you do me a favour?----- So

3. He does his work carefully but he is terribly _______ it.(本题4.0分) A、 careful

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19. (判断题) 医院检查过程中的人体组织标本、细胞、血液样品,属于实物型信息源 ( )(本题4.0分) A、正确 B、错误

22. – Should I book a table in advance? – (本题4.0分) A、 That’s a good idea. B、 Yo