问题
选择题
You will succeed in the end ________ you give up halfway.
A.even if
B.as though
C.as long as
D.unless
答案
答案:D
词义辨析。even if即使,甚至;as though仿佛,好像;as long as 只要;unless除非。。。否则,如果不。如果你不半路放弃,最终一定会成功。所以选D。