The hosts apologized for ______ that some of their guests might be vegetarians.
D
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Ifyou’resittingaroundalonelycampfireatnight,thehowlofawolfcansoundpretty______.
Manypatientsinsistonhavingwatcheswiththeminhospital,______theyhavenoschedulestokeep.
Theproposaldeservessupportasitgives______totheneedsofchildren.
In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.