I still remember the days ____ we studied together.
A、thatD
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Humanbeingsaresuperiortoanimals_____theycanuselanguageasatooltocommunicate.
Iwanttogotothegrocery,butyou_______withme.
Heborrowedabooktheotherday,theauthor____isaworker.
Thelandladywasverystrict.Sheaskedthatwe____televisiononweeknights.
"Lookwhatyou'vedone!You______morecareful."