What are you majoring in? 你是学什么专业的？( )数学
A.In a university.
B.Very hard.
C.Mathematics.
D.At nine in the morning.
正确答案是C
What are you majoring in? 你是学什么专业的？( )数学
A.In a university.
B.Very hard.
C.Mathematics.
D.At nine in the morning.
正确答案是C