问题
选择题
— Shall we visit Jim tonight?
— OK. To make sure that he's in, we'd better call him up____ . [ ]
A. in exchange
B. in return
C. in brief
D. in advance
答案
答案：D
搜题请搜索小程序“爱下问搜题”
— Shall we visit Jim tonight?
— OK. To make sure that he's in, we'd better call him up____ . [ ]
A. in exchange
B. in return
C. in brief
D. in advance
答案：D