题目内容
18、We can never expect a bluer sky ________ we create a less polluted world．
A．until B．if C．unless D．when
试题答案
18、C
We can never expect a bluer sky ________ we create a less polluted world．
A．until B．if C．unless D．when
查看习题详情和答案>>We can never expect ________ bluer sky unless we create ________ less polluted world.(2009安徽高考题)
A．a; a B．a; the C．the; a D．the; the
查看习题详情和答案>>
We can never expect ________ bluer sky unless we create ________ less polluted world．
A．a; a
B．a; the
C．the; a
D．the; the
We can never expect _________ bluer sky unless we create _________ less polluted world．
A．a; a
B．a; the
C．the; a
D．the; the
We can never expect _________ bluer sky unless we create _________ less polluted world．
A．a; a
B．a; the
C．the; a
D．the; the
We can never expect _________ bluer sky unless we create _________ less polluted world．
a; a
a; the
the; a
the; the
We can never expect ________ bluer sky unless we create ________ less polluted world．
a; a
a; the
the; a
the; the
We can never expect ____ bluer sky unless we create _____less polluted world.
| A．a; a | B．a; the | C．the; a | D．the; the |
We can never expect bluer sky unless we create less polluted world.
| A．a; a | B．a; the | C．the; a | D．the; the |
We can never expect________bluer sky unless we create________less polluted world.
| A．a; a | B．a; the | C．the; a | D．the; the |