tìm hai số. Biết tỉ số của hai số là 4 và nếu bớt 79 ở số thứ nhất và thêm 54 vào số thứ hai thì tổng sẽ là 1975.

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Use relative pronouns or adverbs to join each pair of sentences below. 1. The professor is excellent. I am taking his course. ..........................whose course I am taking is ..................................................................................... 2. I saw a lot of people and horses. They went to the market. ......................................................................................................................................................... 3. I recently went back to Paris. I was born there nearly 50 years ago. .......................................................................................................................................................... 4. Do you know the music? It is being played on the radio. ........................................................................................................................................................... 5. You didn’t tell us the reason. We have to cut down our daily expenses for that reason. ............................................................................................................................................................. 6. The day was rainy. She left on that day. ............................................................................................................................................................. 7. One of the elephants had only one tusk. We saw these elephants at the zoo. ............................................................................................................................................................ 8. This is Mrs. Jones. Her son won the championship last year. ............................................................................................................................................................. 9. Is this the style of hair? Your wife wants to have it. ............................................................................................................................................................. 10. Max isn’t at home yet. That worries me. ...................................................................................................................................................