Do you remember the building ____ flew a red flag all the year round ?
over which
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Hehad30poundsinhispocket____hewasdeterminedtobuyhissonagift.
Nancy:MayIseeyourdrivinglicenseandvehicleregistrationcard,please?
Dick:______.
He didn't know which room ____.
Did you attend the meeting yesterday ____ Mary talked a lot ?