问题
选择题
—How long has your brother _____ in the army ?
—About five years.[ ]
A. taken part
B. joined
C. served
D. attended
答案
答案：C
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—How long has your brother _____ in the army ?
—About five years.[ ]
A. taken part
B. joined
C. served
D. attended
答案：C
