1、Thechiefeditoraskedmetowriteonemorearticlefortheirnewspaper,_______isaboutthewageofthefarmerworkers.
AwhichBone为什么不用A?
2、Personunder16_____notbeemployinourcountry.AshallBcanCwill
为什么用A,B为什么不行?
3、Yououghttohavecalledhimyesterday.
Yes,IknowI______
AoughttoBshouldhave
A为什么不行?
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