问题
选择题
—Are you _____ now, Dave? I'm visiting you.
—Sorry, I'm _____ vacation with my mother.[ ]
A. in; in
B. in; on
C. on; on
D. on; in
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—Are you _____ now, Dave? I'm visiting you.
—Sorry, I'm _____ vacation with my mother.[ ]
A. in; in
B. in; on
C. on; on
D. on; in
答案：B