The government has considered________ many steps ________the environment free from pollution.
A.to take; to protect |
B.taking; to keep |
C.to have taken; stopping |
D.having taken; preventing |
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The government has considered________ many steps ________the environment free from pollution.
A.to take; to protect |
B.taking; to keep |
C.to have taken; stopping |
D.having taken; preventing |