As is known to us all,the age_____children can go to school is seven.
at which
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Nancy:MayIseeyourdrivinglicenseandvehicleregistrationcard,please?
Dick:______.
Thedesk_____TomisleaningisJack's.It'scoveredwithdictionaries.
Hetalkedaboutthemenandbooks____interestedhimgreatlyintheschool.
Thetimehascome_____wemakeextensiveuseofnuclearenergy.
Let'sgoswimming,_______?