完成句子。根据中文意思完成句子。
He didn’t know how to         （处理）the waste.
I got an“A”in the exam last time，and my father         （满意）me.
由于环境污染，这种虎在该国濒临灭绝。
This kind of tigers has nearly          in the country because of environmental pollution.
我借这本书已经有一个月了。
I          the book for a month.
我们必须立刻执行那个政策来控制污染。
We must          the policy to control the pollution at once.