1. After his grandfather had died, his father took over the business
-> After QKHT, QKD
2. She bought some wool in order that she could weave a sweater for her son.
-> in order that + S + V...
3. Although we didn't have much time to look around, we managed to visit Dong Ho village
-> Although : mặc dù
4. They went to Tay Ho Village as they wanted to know more about the birthplace of the famous Bai tho conical hat
-> as : bởi vì
5. Jane was embroidering a flower while her mother was weaving a sweater.
-> QKTD while QKTD