题目
We can have _____ blue sky if we create _____ less polluted world. ( )A. a; aB. a; theC. the; aD. the; the
We can have _____ blue sky if we create _____ less polluted world. ( )
A. a; a
B. a; the
C. the; a
D. the; the
题目解答
答案
A. a; a
A. a; a
B. a; the
C. the; a
D. the; the