________ the concert had begun did we realize what a splendid show it was going to be.
B
暂无解析
It'smore________tobuyaseasonticketifyoutraveleveryday.
Tostudyaforeignlanguage,__________.
Whenworkersareorganizedintradeunions,employersfindithardtolaythem________.
Sixtypercentoftelevisionviewerschosehimastheir_______actor.
Shehadclearlyno________ofdoinganywork,althoughshewasverywellpaid.