Lastyearafloodofworkersreturnedtotheirhometownforthemon...
问题详情:Lastyearafloodofworkersreturnedtotheirhometownforthemoney-makingjobsthey______beforeleavingtheirworkingplacesinbiggercities.A.promised B.werepromisedC.havepromised D.hadbeenpromised...