Nowadays senior high students are burdened with too many ,which is making them less and less confident.
Sarah pretended to be cheerful, nothing about the argument.
Some forms of algae have to growing on ice.
Antarctica holds 90% of the world’s ice, and most of its fresh water (70%) is in a frozen .
She has a lot of things, so she knows exactly how to deal with such a person.
Parts of the cave have been badly affected by rain andto the air.