Choose the correct item to complete the sentences: which or where, that or what: 1. Is this places which/where we're supposed to have a discussion about?
2. This is the place which/where archeological find started.
3. Everything that/that I found there was amazing.
4. Put this encyclopedia back in the bookcase which/where you took it from when you've finished.

1) Polar bears are classified as marine mammals because they spend most of their lives on the sea ice of the Arctic Ocean. 2) They have a thick layer of body fat and water-repellant coat that insulates them from the cold air and water. 3) Polar bears spend over 50% of their time hunting for food, but less than 2 % of their hunts are successful. 4) Their diet mainly consists of ringed and bearded seals because they need large amounts of fat to survive. 5) The total polar bear population is divided into 19 units or subpopulations. 6) The survival and the protection of the polar bear habitat are urgent issues for WWF(WorldWildlifeFund)

Общий, альтернативный, разделительный, специальный, вопрос к подлежащему. в таком порядке.

he plays basketball every day.
does he play basketball every day?
does he play basketball or football every day?
does he play basketball every day, doesn't he?
what does he play every day?
who plays basketball every day?

every year she goes on holiday to France.
does she go on holiday to France every year?
does she go on holiday to France or to Brussels every year?
does she go on holiday to France every year, doesn't she?
where does she go on holiday every year?
who goes on holiday to France every year?

they are watching a football match in the park now.
are they watching a football match in the park now?
are they watching a football match in the park or at the stadium now?
are they watching a football match in the park now, aren't they?
what are they watching in the park now?
who are watching a football match in the park now?

mum is doing the washing up at the moment.
is mum doing the washing up at the moment?
is mum doing the washing up or laundry at the moment?
is mum doing the washing up at the moment, isn't she?
what is mum doing at the moment?
who is doing the washing up at the moment?