问题
选择题
How can you expect him to make any progress _____ you never give him a chance to have a try?
A．when
B．unless
C．even though
D．until
答案
答案：A
题目分析：考查连词：“如果你从来不给他任何机会去尝试，你又怎么能够知道他不会有任何的进步呢？” A. when当…时候，如果，B. unless除非，C. even though即使，D. until直到，选A。