问题补充:
—I’m worried about the coming test.
—You should work hard for it,you’ll have to take it again.
A. and
B. or
C. but
D. however
答案:
A. and
(答案→)B. or
C. but
D. however
解析:句意:----我担心即将到来的考试,---你应该为考试努力学习,要不然你还得再考一次。A.and 表示并列关系 B.or 表示否则要不然, C.but 但是,表示转折 D.however然而,表示转折
结合语境可知选B。