Unit 3 vocab

câu 16. She looked _______ me, smiling happily and confidently. A. on B. over C. forward to D. at câu 17. - What an attractive hair style you have got, Mary! - _______ A. Thank you very much. I am afraid B. You are telling a lie C. Thank you for your compliment D. I don't like your sayings câu 18. In _______ most social situations, _______ informality is appreciated. A. Ø / Ø B. the / an C. a / the D. the / a câu 19. - What_______ beautiful dress you are wearing! - Thank you. That is _______ nice compliment. A. Ø / Ø B. the / Ø C. a / a D. the / the câu 20. ______ you wanted to ask your teacher a question during his lecture, what would you do? A. As B. As if C. Even of D. Suppose