46. Thousands of years / many years to develop
47. Bowls, picture frames, and boxes
48. Young people are more interested in engineering and computer science.
49. Wooden statues, wooden animals, and wooden furniture
50. Purchasing their work or learning woodcarving
51
a. studying
b. quickly
c. now
d. learning
e. new things
f. always
52. to give her mothe
53
a. reading
b. skiing
c. to see
d. not to spend