---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 |
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---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 |