_____ about the future of these wild animals, people set up conservation areas to protect them, especially the _____ species.

Carl, if you have nothing to do, you ________ as well tidy up your room.-OK.[ ]

I’m sorry I ___________ at you theother day— Forget it I was a bit out of controlmyself

They ______ a small laboratory and devoted every spare moment to this work.

25Putting the worries out of her mind，Mary turned her efforts__________the evening meal