问题
选择题
I talk_____my classmates_____lunchtime． [ ]
A. with:on
B. to:to
C. to；at
D. to；in
答案
答案：C
搜题请搜索小程序“爱下问搜题”
I talk_____my classmates_____lunchtime． [ ]
A. with:on
B. to:to
C. to；at
D. to；in
答案：C
5OH) ⑧熔化K2SO4 ⑨纯水。请回答下列问题(用序号):