A:3,4)
B:(﹣4,﹣3
C:(1,3
D:﹣3,﹣1)
如果该校有3500名学生,则估计喜欢“篮球”的学生共有多少人?
—Don't late, Betty. You have to go to school early tomorrow.
—OK, Morn. I'll go to bed right now.