المشاركة الأصلية كتبت بواسطة aἧfas alὠaⱤd

س2 ص41
2-pllution(n
pollutant(n

3-crowd(v
crowded(adj

4-safe(adj
safely(adv
safety(n

5-beautiful(adj
beautify(v

6-predict(v
worse(adj
prediction(n
worsen(v

7-differ(v
difference(n
differently(adv
different(adj

8-efficient(adj
effciently(adv