原因和结果的表达方式 — 英语填空题
题目
用 because、so、because of 完成句子（每词限用一次），并注意句子结构：1) Global warming is getting worse ___ people produce too much CO₂. 2) The ice is melting quickly, ___ sea levels keep rising. 3) Many animals lost their homes ___ the rising temperatures.