问题
选择题
Don't throw litter ______. You must give ______ your bad habit. [ ]
A. up; in
B. about; up
C. on; up
D. about; on
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Don't throw litter ______. You must give ______ your bad habit. [ ]
A. up; in
B. about; up
C. on; up
D. about; on
答案：B