问题
选择题
Jim _____ the army in 2003. He ____ soldier for 3 years.[ ]
A. has been; joined
B. joined; has been
C. joined; joined
D. has been; has been
答案
答案：B
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Jim _____ the army in 2003. He ____ soldier for 3 years.[ ]
A. has been; joined
B. joined; has been
C. joined; joined
D. has been; has been
答案：B
