问题
Some people argue that using _____ nature to meet our own needs may spell disaster, unless we start to look around and understand how ______ clean environment benefits us all.
A:/ a
B:the /
C:the a
D:a a
B:the /
C:the a
D:a a
正确答案是：
同类题型
To our delight, we ______________ got what we had beenlooking forward to.
, I made a mistake again— ______ Practice more and you’ll succeed
I knowhe said so at the meeting is true.
Most scientists believe that imagination is ______ than knowledge.
I felt disappointed and was about to leave something came to my attention. [ ]