在信用证业务中，银行付款的条件是（）。
Youneedtospendplentyoftimesearchingforjobsandtreatit____itisajobitself.
Bythesametoken,regularlysearchingtheInternetallowsyoutobethefirstinlinetoapply______companiespostnewjobopenings.
Thebunkerispayableby（）duringtheperiodofvoyagecharter.
Finally,thethiefhandedeverything____hehadstolentothepolice.
Whattypesofpeoplewereincludedintheresearch?
Theredcolorcanstimulateallour____,includingappetite.
Whatisthemainadvantageofradioads:（）
WhileIwaswaitingforher,Ikilledtime____lookingintheshowwindows.
Mrs.Londonhas____thatsheisunabletogetajob.