7. Why don't we book a room at the hotel  we stayed last year?

5. Do you remember the summer  Jack came home by surprise.

4. Is that the man  house was destroyed by the hurricane?

3. Can you give me back the book  I lent you last year?

2. Apple co-founder Steve Jobs,  died in October at the age of 56, had a rare form of pancreatic cancer.

Fill in the gaps with who, which, whose, where, or when.

1. Sony is building a robot  can form an 'emotional connection' with humans.

2. That's the man ______ daughter has won the lottery.

3. Do you know the musician ______ is playing the guitar.

Choose the correct relative pronoun or adverb for the following defining and non-defining  relative clauses.

1. This is the place ______ I saw him the last time.

Complete the text with the words from the box.

Is human overpopulation killing the planet?

We have changed the planet, and the (1) are grave. Some experts believe (2) temperatures could render Arctic summers ice-free as early as 2018. To put that in perspective, that hasn’t happened to the planet in three million years. If the Arctic ice (3), the ocean and planet will (4) enough to dramatically alter wind flow, global weather patterns, even the jet stream. We’re already experiencing the effects of climate change: (5) weather events are responsible for much of the crop devastation in the last decade or so, including floods in the US, drought in Australia and heat (6) in Russia and Europe. The future seems just as grim: a new Intergovernmental Panel on Climate Change report warns that unchecked climate change will exacerbate food and water (7), and cause further animal extinctions, not to mention human misery and the increased likelihood of war for (8) resources.