Manypeopleattendvariouspubliclectures,chiefly______themselvesfamiliarwiththelatestdevelopmentofdifferentfields.
You____himsoclosely;youshouldhavekeptyourdistance.
With his eyes ______ on the family album, he thought of the fun he had when he lived with his parents.
Weallthinkthat_____noneedtomakelawstopreventtheyoungfromgettingmarriedduringtheircollegelife.
Undernocircumstance_____totellliestoparents.
Onhearingagreatnoise,Mikelookedforwardthroughthewindow_____whathappenedoutsidetheroom.