TheDongying-Hainanairline forabout5months.Ihave...
问题详情: TheDongying-Hainanairline forabout5months.Ihavetakentheflightsthreetimes. A.isopen B.hasopened C.hasbeenopenD.hasbeenopened【回答】C知识点:动词时态题型:选择题...
问题详情: TheDongying-Hainanairline forabout5months.Ihavetakentheflightsthreetimes. A.isopen B.hasopened C.hasbeenopenD.hasbeenopened【回答】C知识点:动词时态题型:选择题...