问题
选择题
— I _____ Fujian Museum twice. How about you?
— Never. I hope to visit it soon. [ ]
A. have gone to
B. have been to
C. have gone
D. have been
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— I _____ Fujian Museum twice. How about you?
— Never. I hope to visit it soon. [ ]
A. have gone to
B. have been to
C. have gone
D. have been
答案：B
为纵轴画出了如图的图线。图线未过原点O的原因是____________________________________________。