问题
选择题
It is obvious that John is unhappy. _________, it comes as no surprise that she has decided to change her job.
A．However
B．Otherwise
C．Moreover
D．Therefore
答案
答案：D
连词辨析. A. 然而;可是 B.否则;另外 C. 而且;此外 D. 因此.根据题意,很明显,约翰不高兴.因此,她决定换工作也就不足为奇了.选D.