题目内容
---Does your brother serve in the army?
---No, not now. But he ________ in the army for 8 years.
A. would serve B. was serving C. had served D. served
D
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题目内容
---Does your brother serve in the army?
---No, not now. But he ________ in the army for 8 years.
A. would serve B. was serving C. had served D. served
D
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