六十八的英文怎么写

　　The number of students in that class is sixty.

　　那个班的学生数是六十个。

　　Sixty students are divided into experiment group and control group at random.

　　六十个学生被随机分成实验组和控制组。

　　Eight options were presented for consideration.

　　已提出八项备选方案供审议。

　　He resigned as manager after eight years.

　　八年后，他辞去了经理的职务。

　　He crammed eight people into his car.

　　他往他的车里硬塞进八个人。