问题
选择题
Martin and his brother want to be ______ when they grow up(长大). [ ]
A. teacher
B. doctor
C. policemans
D. policemen
答案
答案：D
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Martin and his brother want to be ______ when they grow up(长大). [ ]
A. teacher
B. doctor
C. policemans
D. policemen
答案：D