问题补充:
单选题Iheardthatsomepatientswhohadundergonelasereyesurgeryexperiencedsuddenlossesofvision,______?A.didn’t IB.hadn’t theyC.didn’t theyD.isn’t it
答案:
C解析考查反义疑问句。本题的I heard是插入语,后面句子的主语是some patients,是复数形式;谓语动词是experienced,是过去式;所以
时间:2018-12-30 19:37:11
单选题Iheardthatsomepatientswhohadundergonelasereyesurgeryexperiencedsuddenlossesofvision,______?A.didn’t IB.hadn’t theyC.didn’t theyD.isn’t it
C解析考查反义疑问句。本题的I heard是插入语,后面句子的主语是some patients,是复数形式;谓语动词是experienced,是过去式;所以