Manypeopleattendvariouspubliclectures,chiefly______themselvesfamiliarwiththelatestdevelopmentofdifferentfields.
A、gettingOnhearingagreatnoise,Mikelookedforwardthroughthewindow_____whathappenedoutsidetheroom.
It_____quiteafewyears_____theaccusedwasdeclaredinnocentandsetfree.
ManyworkerswereorganizedtoclearawayremainedoftheWorldTradeCenter.
______whichwaytotake,thelittleboybehavedlikearealgentlemanwhocomfortedhissisterfromtimetotime.
_____ofwatermakesDeathValleyadesert,butitisbynomeansdevoid.
