摘要：26．(湖南省同升湖实验学校2010届高三第二次月考) ---- Where is mother? ---- She is in the kitchen. She the house work all morning. A. is doing B. was doing C. has done D. has been doing 答案 D

网址：http://m.1010jiajiao.com/timu_id_3161002[举报]