问题补充:
—Henry has been teaching English in Beijing university for many years.
—It’s no he can speak Chinese so well and idiomatically.
A. matter
B. doubt
C. problem
D. wonder
答案:
A. matter
B. doubt
C. problem
(答案→)D. wonder
解析:no matter没关系,不要紧;no doubt多半,十有八九;no problem没问题;no wonder难怪,不令人吃惊。根据句意应选D。