连词成句：these dead pigs,not only,but,also,pollute the river,be harmful to,health

题目

连词成句：these dead pigs,not only,but,also,pollute the river,be harmful to,health

答案

These dead pigs not only pollute the river,but also are harmful to health.
这些死猪不仅污染环境,还危害健康.