1、Special attention should be paid ________ our earth from ________.
[ ]
|
A.to stop, polluted |
B.to stopping, being polluted |
|
C.to stopping, polluting |
D.to stop, polluting |
1、Special attention should be paid ________ our earth from ________.
[ ]
|
A.to stop, polluted |
B.to stopping, being polluted |
|
C.to stopping, polluting |
D.to stop, polluting |