This nationwide smog should serve as a reminder to all, indicating a high time that we____ on what we've done to the environment.
A.have reflected | B.are reflecting |
C.will reflect | D.reflected |
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This nationwide smog should serve as a reminder to all, indicating a high time that we____ on what we've done to the environment.
A.have reflected | B.are reflecting |
C.will reflect | D.reflected |
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