问题
选择题
The father and his son _____ ever _____ to Shanghai before. [ ]
A. has…gone
B. have…been
C. has…been
D. have…gone
答案
答案：B
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The father and his son _____ ever _____ to Shanghai before. [ ]
A. has…gone
B. have…been
C. has…been
D. have…gone
答案：B