We can never expect ________bluer sky unless we create _____less polluted world
#8121
A
a;a
B
a ;the
C
the ;a
D
the; the
推荐题目
My summer camp isn’t good fun, but it is real learning experience for me.
#9503
A
a; /
B
the; a
C
/; a
D
a; the
Jack left ________ message for me, saying he was in ________ trouble.
#8048
A
a; the
B
a; /
C
/; /
D
the; a
After dinner he gave Mr. Richardson ______ ride to ______ Capital Airport.
#10397
A
the; a
B
a; the
C
不填; a
D
不填; the
It is generally accepted that________boy must learn to stand up and fight like________man.
#7640
A
a；a
B
a；the
C
the；the
D
a；/