2. must
3. mustn't
4. must
5. must
6. mustn't
7. mustn't
Of course I think that every human always chose all the most best. Our parents want to give to us the most best things.But in world have people who can't chose best things.For example:Africa,there people are poor they can't chose ,but they appreciate what they have. And this is main thing which we don't have.
Is there a deck in the room?
They lived 1000000 million years ago
they hunted the animals in a big group with spears
they hunted mammoths tigers bears and so on.
because it helped them to keep warm
with sticks
It was not interesting lived in the cave