2:
1. uses to (từ thường mở rông)
2. didin't use to transport không thường sử dụng để vận chuyển
3. used to dye ( thường nhuộm quần áo với chất liệt tự nhiên)
4. used to kill ( bệnh lao từng giết chết rất nhiều người...)
5. used to pull out ( từng thưởng kéo ra..)
6. didn't use to spend ( không từng dành thời gian...)

III:
1)
1. People know that Ha Long Bay is recognised by UNESC
2. Temple of Literature is the first destination in my schedule.
3. They think that visiting Mai Chau at this time of the year is the best.
4. People believe that visiting Huong Pagoda will bring them luck.

2)
1. I don't remember exactly when my parents set up this workshop.
2. We have to try harder so that our handicrafts can keep up with theirs.

#Nhimato