雨下得如此之大，去太极湖的徒步旅行被取消了．
It rained that the hiking to Tai Chi Lake was cancelled．
父母养育我们不易，我们不应该让他们失望．
It's not easy for parents to raise us，and we shouldn't ．
戴眼镜的那位女老师中等身材．
The woman teacher is of medium build．
He always asks me my homework．
他总是问我作业做完了没有．（finish）
Factories pouring polluted water into rivers and lakes．
必须阻止工厂向江河湖泊排放污水．（prevent）