一道英语单选题,帮忙翻译并简析,不胜感激AconductorwasinvitedtokeepusinthesingingattheSchoolArtFestival.A.incommonB.inadvanceC.intimeD.inreturn

Question

一道英语单选题,帮忙翻译并简析,不胜感激
A conductor was invited to keep us_____in the singing at the School Art Festival.
A.in common B.in advance C.in time D.in return

Answer 1

A conductor was invited to keep us_____in the singing at the School Art Festival
B.in advance
提前作好准备
A.in common（通常） C.in time （准时,按时赶到）D.in return（回报）