1.-Does your brother serve in the army? -NO,not now,but he __ in the army for eight years.A.served B.was serving 答案是A 我的疑问是：过去式怎么可以跟一段时间啊? 还有 B为什么不可以选 啊

( ) does your brother do? 是Does your brother （ ）your brother have~ does ,where ,your,work,brother,组词成句 brother,does,what,look,twin,your,like[?] what,do,your,does,brother怎么造句 Does your brother play ping-pong __________? Does your brother like ________(swim) what does your brother every （ ）weekend Does your brother live in Canada? How does your brother look?同义句 Does your brother Alan have one?Yes he does Does your brother play sports every day?为什么在yourDoes your brother play sports every day?为什么在your brother前面要does,your brother是第三人称单数? 4.连词成句.1.toy,your,does,have,bus,brother,a（.） 连词成句 1.bat,a,does,your,brother,ping-pong,have what does your brother usually do_____ school night?1.at 2.in 3.on 4.for 1.Do you want_____(learn)math with us?2.Does your brother like______(have)math? Does your brother ofren write to you?(改为同义句)Dose your brother ( ) ( ) ( )to you. what is your brother like?and what does your brother look like?的区别是什么