题目内容
23、If we expect much cleaner world, we should attract world's attention to protect it．
A．a; a B．a; the C．a; 不填 D．the; 不填
试题答案
23、B
相关题目
If we expect ________ much cleaner world, we should attract ________ world's attention to protect it.
- A.a; a
- B.a; 不填
- C.a; the
- D.the; 不填