Ex: use a relative pronoun or relative adverb to combine each pair of sentences below 1. The police want to know the hotel. Mr Foster satyed there two weeks ago. 2. The reason hasn't been told yet. The president will come to that city for this reason 3. We enjoyed the city. We spent our vacation in this city 4. I looked at the moon. It was very bright thật evening 5. That car belongs to Để Down. Its engine is very good 6. In the class there are 48 students. The teacher knows only a few of them 7. The students haven't done their homework. It is too bad 8. We first met in 1945. The revolution took place them 9. The girls is happy. She won the race 10. The taxi-drivers is friendly. He took me to the airport 11. I like the composition. You wrote ít 12. The man called the police. His wallet was stolen 13. The meeting was beautiful. She was looking at it 14. The people are very nice. We visited thêm yesterday 15. The meeting was interesting. I went to it Mọi người giúp em với ạ