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
The little boy is too young todress ____________, let’s help him.
During lunchtime, we always have fun_____ each other.
Have you got any plans for the National Days—I am going to take a\an in the Yellow Mountain.
oks sold ________millions in one day, and the publisher had to print another ten thousand copies.