问题
选择题
Many people believe we will suffer from more environmental disasters _____we change the way we live. [ ]
A. but
B. although
C. so
D. unless
答案
答案：D
搜题请搜索小程序“爱下问搜题”
Many people believe we will suffer from more environmental disasters _____we change the way we live. [ ]
A. but
B. although
C. so
D. unless
答案：D
