问题
选择题
—Don't get off the bus______ it stops.
—Thanks a lot. [ ]
A. unless
B. until
C. after
D. because
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—Don't get off the bus______ it stops.
—Thanks a lot. [ ]
A. unless
B. until
C. after
D. because
答案：B