问题
选择题
How can you expect to get ahead in your life ______ you even live to yourself from time to time?
A．though
B．until
C．before
D．when
答案
答案：D
题目分析：句意：既然你有时离群索居，你怎么能期望生活有什么进展呢？ A. though虽然， B. until直到，C. before在…前面，D. when当…时候，既然。选D。