________ is now no ________ that global warming is a security threat to us all. [ ]A. There; doubtB.
A. There; doubt B. There; needC. It; doubt D. It; need
题目简介
________ is now no ________ that global warming is a security threat to us all. [ ]A. There; doubtB.
题目详情
A. There; doubt
B. There; need
C. It; doubt
D. It; need
答案