Kết hợp các cặp câu này thành một, sử dụng đại từ tương đối : 1. The students didn't do their homework. That was too bad 2. He took me to Paris. It’s as beautiful as a pearl 3. He took me to Paris. He was born and grew up in Paris 4. Sunday is the day. We have alot spare time on that day 5. I like Autumn. Leaves turn red and fall down in Autumn. 6. I wanted to know the reason. She left her home for that reason
