Despitehavingreceivedpositivereviewsbyindustrycritics,salesofthedigitalMP3playerhavebeenquite_______(disappoint).
Asfarassheisconcerned,onepieceofmusicisverymuchlike
Youshouldnothavedriventhatcarwithitsbrakesoutoforder.You_____aserious
Thelittlegirlisignorant_____thebasicrulesofEnglishgrammar。
Themanagergaveherhis_____thatthecomplaintwouldbeinvestigated.
Inmostcountries,themetricsystemhasbeen_____forallmeasurement.
