Read the following passage and mark the le...

Câu hỏi: Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the question 33 to 42.

A. The Lives of Leopold and Rudolph Blaschka.

B. Flowers Native to the United States.

C. An Extensive Collection of Glass Flowers

D. Materials Used For Artificial Flowers