Some concepts may be difficult to grasp chiefly because they may be unfamiliar or _____ideas, opinions which we already hold.
B
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Thankyouforyourhelp,_____wecouldnothavefinishedtheworkintime.
Hebuiltatelescope____hecouldstudytheskiesinhisfreetime.
Mysisterwasn'tinParislastmonth,soyou_____herthere.
MrsZhangoftentellsusthatspringisthetime____peoplegosightseeing.
Iwanttogotothegrocery,butyou_______withme.