Iwasshockedbythenumberofpeoplewhoseemedtohavenothingbettertodowiththeirtimethan______toknowfishbetter.
Bothofmybrothersarenowmarried，soIhavetwo_____.
Copernicusmaintainedthattheearth_____roundthesun.
Thehostsapologizedfor______thatsomeoftheirguestsmightbevegetarians.
Veryfewpeopleunderstoodthiscontract,______wasveryobscure.
