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
— How long did you stay at the party?— I only stayed there for ________ hour.
#33865
A
a
B
an
C
the
D
/
Tina’s cousin is _______ violinist. He can play _______ violin very well.
#32827
A
an, \
B
a, the
C
the, the
D
\, a
This is _______ usual way of solving the problem. Can you think of ________ unusual way?
#33916
A
a; a
B
a; an
C
an; an
D
an; a
