Thelittlegirlisignorant_____thebasicrulesofEnglishgrammar。
A、forAsfarassheisconcerned,onepieceofmusicisverymuchlike
Youshouldnothavedriventhatcarwithitsbrakesoutoforder.You_____aserious
Anyvisitorstotheproductionfacilitiesmust____asecuritypassfromtheinformationdeskatthefrontentrance.
Thedetailedanalysesofthirdandfourthquartersalesareincludedin___finalreport
Hehasmadeanotherwonderfuldiscovery,_____ofgreatimportancetoscience.