We can have_______ bluer sky if we create________ less polluted world．
#34650
A
a；a
B
a；the
C
the；a
D
the；the
推荐题目
There is ____ elephant in the zoo._____elephant likes bananas.
#33381
A
/;An
B
an ;The
C
a ;The
D
an; /
----Do you know _______ young man under the tree?----Yes, but only a little, maybe he is _______ university student.
#33355
A
a; an
B
a; the
C
the; an
D
the; a
______ girl with ______ old book in her hand is my best friend, Amy.
#32449
A
A, the
B
The, a
C
A，an
D
The, an
The car accident happened ____ a cold winter morning. Luckily, no one was hurt.
#32308
A
in
B
on
C
at
D
of