问题补充:
单选题Thevisitingprofessorgaveussomeadvice,____ofgreathelptoourEnglishlearning.A.I think it isB.I think which isC.which I think isD.which I think it is
答案:
C
时间:2022-04-23 13:05:35
单选题Thevisitingprofessorgaveussomeadvice,____ofgreathelptoourEnglishlearning.A.I think it isB.I think which isC.which I think isD.which I think it is
C