1.Let's make a plan to stop the noise ______ (污染).2.The plane landed _____ (安全地) last night.3.The plane landed _______(safe) .

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1.Let''smakeaplantostopthenoise______(污染).2.Theplanelanded_____(安全地)lastnight.3.Theplanelanded_______

1.Let's make a plan to stop the noise ______ (污染).2.The plane landed _____ (安全地) last night.3.The plane landed _______(safe) .
1.Let's make a plan to stop the noise ______ (污染).
2.The plane landed _____ (安全地) last night.
3.The plane landed _______(safe) .

1.Let's make a plan to stop the noise ______ (污染).2.The plane landed _____ (安全地) last night.3.The plane landed _______(safe) .
1.噪音污染 noise pollution
2.safely
3.safely

pollution safely safely