问题
选择题
Liu Shuai and Wei Hua _____ from Beijing. They are from Shanghai. [ ]
A. is
B. are
C. isn't
D. aren't
答案
答案：D
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Liu Shuai and Wei Hua _____ from Beijing. They are from Shanghai. [ ]
A. is
B. are
C. isn't
D. aren't
答案：D