______ the terrible pollution, so many beautiful fish are fast disappearing in the river

We live in a society _______ there is a greatdeal of debate about competition

Where is my English dictionary, Mum—It ______ away by your sister yesterday.

Hello, you ________ 86558225. I’m sorry, but I’m unable to answer your question right now.[ ]

We shouldn’t spend our money testing somany people, most of ___are healthy.