---Doesyourbrotherserveinthearmy? ---No,notnow.Buthe

問題詳情：

 --- Does your brother serve in the army?

  --- No, not now. But he ________ in the army for 8 years.

  A. would serve       B. served           C. had served       D. was serving

【回答】

B

知識點：一般過去時及其被動式

題型：選擇題