问题
选择题
Wang Zhizhi must have arrived in Beijing yesterday, ______? [ ]
A. wasn't he
B. mustn't he
C. didn't he
D. hasn't he
答案
答案:C
Wang Zhizhi must have arrived in Beijing yesterday, ______? [ ]
A. wasn't he
B. mustn't he
C. didn't he
D. hasn't he
答案:C