Directions:In each of the following groups of words,there are four underlined letters or letter 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。
A、blew
B、crew
C、sew
D、Jew
(21)___
A、landscapes
B、cities
C、maps
D、pictures
11.Bob doesn't look his age.I think he's somewhere__。