问题补充:
单选题Theprofessor’sresearchfinallyprovedtobe______,thoughhehadspentalotofmoneyonit.A.pricelessB.valuableC.worthlessD.worthwhile
答案:
C
时间:2022-12-08 00:38:41
单选题Theprofessor’sresearchfinallyprovedtobe______,thoughhehadspentalotofmoneyonit.A.pricelessB.valuableC.worthlessD.worthwhile
C