=>
I/
31. more convenient
32. the most historic
33. more luxurious
34. more carelessly
35. put it down
II/
36. He will stay in England for two months in order that he can perfect his English.
37. We have to try harder so that our handicrafts can keep up with theirs.
38. Nick will visit some craft villages after he finishes the Vietnamese course.
39. Because the tourists wanted to buy some silk, they went to Van Phuc village.
40. Although it was very cold, we decided to go for a walk in the park.