Not all birds can fly , ______ do all birds build nests.
B
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Onarrivinghome,theboytoldhisparentsaboutallthe______whichoccurredinhisdormitory.
______wecanhopeforistoavoidcompletefailureinthecominggamewiththatstrongteam.
OneoftheresponsibilitiesoftheCoastGuardistomakesurethatallships______followtrafficrulesinbusyharbors.
Mrs.Smithlockedboththefrontandthebackdoorsbeforeshewenttobed______thatsomeonemightstealintothehouseatnight.