... English 12 ( Ban Co Ban) Unit 9: Vocabulary Mrs. Hung UNIT 9: DESERTSI. Vocabulary No Words and phrases Pronunciation Meaning, eg.1.Endangered ... (n) 31.Balance (n-v) → balanced (a) - 7 -English 12 ( Ban Co Ban) Unit 9: Vocabulary Mrs. Hung UNIT 9: DESERTSI. Vocabulary No Words and phrases Pronunciation Meaning, eg.1.Endangered ... needn't b. shouldn't c. mustn't d. mayn't - 9 -English 12 ( Ban Co Ban) Unit 9: Vocabulary Mrs. Hung III. GIVE THE CORRECT WORD FORM 1. _______ is a branch of Natural Science,...