问题
选择题
People will also take vacations _____ other planets. [ ]
A. in
B. on
C. at
D. to
答案
答案：B
搜题请搜索小程序“爱下问搜题”
People will also take vacations _____ other planets. [ ]
A. in
B. on
C. at
D. to
答案：B