Use a relative pronoun or adverb to combine each pair of sentences below.
1. We enjoyed the city. We spent our vacation in this city
​........................................................................................................
2. One of the elephants had only one tusk. We saw these elephants at the zoo
​........................................................................................................
3. The professor is excellent. I'm taking her course
​........................................................................................................
4. The man called the police. His wallet was stolen
​........................................................................................................
5. A man brought in a small girl. Her hand had been cut
​........................................................................................................
6. The Smiths were given rooms in the hotel. Their house had been destroyed in the explosion
​........................................................................................................
7. He introduced me to his students. Most of them were from abroad
​........................................................................................................
8. They gave me four very bad tyres. One of them burst before i had driven four miles
​........................................................................................................
9. A man answered the phone. He said Tom was out
​........................................................................................................
10. Phuong Thao is a singer. You like her music best
​........................................................................................................