问题补充:
单选题We’vealotofthingstodo.But_____wemustgetsomesleep.A.at firstB.at onceC.first of allD.the first thing
答案:
C解析first of all= first 首先; at first= in the beginning最初。
时间:2019-02-23 19:39:22
单选题We’vealotofthingstodo.But_____wemustgetsomesleep.A.at firstB.at onceC.first of allD.the first thing
C解析first of all= first 首先; at first= in the beginning最初。