71.德州位于山东省的西北部。(besituated)72.在我们学校三分之二的学生来自乡下。（主谓一致）73.昨天我是在阅览室还给你钱的。（Itis...that）74.中国是第三个把人送到太空

Question

71. 德州位于山东省的西北部。(be situated)

72. 在我们学校三分之二的学生来自乡下。（主谓一致）

73. 昨天我是在阅览室还给你钱的。（It is ... that）

74. 中国是第三个把人送到太空的国家。（动词不定式做定语）

75. 封面是绿色的那本杂志属于我。（whose）

Answer 1

71. Dezhou is situated in the northwest of Shandong Province.

72. Two-thirds / Two thirds of the students in our school are/come from the countryside.

73. It was in the reading-room that I returned  the money to you yesterday.

                                      you the money yesterday.

74. China is the third nation/country to send a man/person into space.

75. The magazine whose cover is green belongs to me.