问题补充:
—Do you regret not having gone abroad?
—Why should I? I as much, but I’m glad to devote myself to our motherland.
A. didn’t earn
B. don’t earn
C. hadn’t earned
D. haven’t earned
答案:
A. didn’t earn
(答案→)B. don’t earn
C. hadn’t earned
D. haven’t earned
解析:强调现在不能