11.Bob doesn't look his age.I think he's somewhere__。
A、in forty
B、in forties
C、in his forty
D、in his forties
17.The employees___more enthusiastic about their work since their pay rose.
A、are
B、have been
C、were
D、will be
I.Phonetics(5 points) Directions:In each of the following groups of words,there are four underlined letters or let-ter combinations marked A,B,C and D.Compare the underlined parts and iden-tdtify the one that is different from the others in pronunciation.Mark your answer by blackening the corresponding letter on the Answer Sheet.