Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSESTin meaning to the underlined word(s)in each of the following questions

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSESTin meaning to the underlined word(s)in each of the following questions.
17. I am disappointed that people have destroyed this land.
A. dissatisfied B. happy C. pleased D. interested
18. Tet is a festival which occurs in late January or early February.
A. causes B. begins C. happens D. carries
Mark the letter A, B, C or D on your answer sheet to indicate the word(s)OPPOSITE in meaning to the underlined word(s)in each of the following questions.
19. At times, this can be risky, and the keepers have been injured and one has beenkilled.
A. good B. useful C. healthy D. secure
20. Use water sparingly and keep water clean.
A. dusty B. dirty C. wicked D. halfway