单项选择题

You must choose to study （）economics or philosophy; you can't do both

A. while
B. either
C. neither
D. not

<上一题目录下一题>

热门试题

单项选择题

I don't know （）you think you are, but you can't talk to me that way!

A. what
B. that
C. when
D. who

单项选择题

You won't know if you like it （）you try it

A. once
B. for
C. since
D. unless

相关试题