We can have ___ blue sky if we create ___ less polluted world.
#48118
A
a. a
B
a, the
C
the, a
D
the, the
推荐题目
Before I talked with ______ scientist, I had never met______ clever person like him.
#34148
A
the; a
B
a; a
C
the; the
D
a; the
—What do you think of ________________ film about Zhan Tianyou?—It's _____________ good film.
#33312
A
the; the
B
a; the
C
the; a
D
a; a
In order to find ______ better job, she planned to learn ______ second foreign language.
#34164
A
the； a
B
a； a
C
the； the
D
a； the