问题补充：
Mr Smith comes from Australia, but he has worked in China for five years. So you can talk with him .
A. either in English or in Chinese
B. not in Chinese but in English
C. just in English, not in Chinese
D. neither in Chinese nor in English
答案：
(答案→)A. either in English or in Chinese
B. not in Chinese but in English
C. just in English, not in Chinese
D. neither in Chinese nor in English
解析：可联系答.案.网客服索取。
