We can never expect bluer sky unless we create less polluted world.
#10522
A
a; a
B
a; the
C
the; a
D
the; the
推荐题目
.There are over 58000 rocky objects in _______space，about 900 of which could fall down onto ______earth。
#8261
A
the；the
B
不填；the
C
the； 不填
D
不填；不填
Tom played ________part in a film at________ age of six，which made him famous.
#8802
A
the；the
B
a；the
C
a；/
D
the；/
-----Mr.Smith, ________ girl wants to see you.----If that’s _________girl who has fair hair and wears a red dress, I will see her.
#8550
A
the; the
B
a; the
C
the; a
D
a;a
I don’t know who invented ________ telephone. It’s really ________ most useful invention.
#9393
A
the; a
B
/; a
C
a; the
D
/; the