______ you ____ your classroom yesterday?A.Did,swept B.Did,sweepC.Were,sweep D.Were,swept
问题描述：
______ you ____ your classroom yesterday?
A.Did,swept B.Did,sweep
C.Were,sweep D.Were,swept
答
B，过去时用did，然后did+动词原形
答
B 因为yesterday用过去时用did were是过去进行时 did助动词+do
答
选B
这句话的意思是,你昨天扫屋子了吗?
过去时,所以选B
答
B