1.The train was late because the fog was thick.
->the fog was thick, so the train was late
2.We stopped our car because the traffic lights turned red
->because of the traffie lights turning Red we stopped our car
3, The place couldn't take off because the weather was had
-> because of the bad weather , the plane couldn't take off
4, Rice plants grow well because the climate is warm and damp
->rice plants grown well because of the warm and damp climate
5. He couldn't drive fast because the street was crowded and narrow
-> He couldn’t drive fast because of the crowdedness and narrowness of the street.