19. Which of the following is not the characteristics of nudibranchs? a. Nudibranchs’ colors came from their food. b. Nudibranchs can weigh as much as 3.3 pounds. c. Nudibranchs absorb toxin from enemies such as fish. d. Some nudibranchs has nice colors and patterns.
20. Which of the following does not refer to the same animal? a. a nudibranch b. a teacup c. a slime-oozing creature d. a sea slug
Conversation: Choose the correct answer to complete blank.
21. At a jewelry shop A: ____________________ B: Seven hundred baht
a. How much is this necklace? b. How long is it?
c. How old is it? d. How many earrings do you have?
22. A: