Thelittlegirlisignorant_____thebasicrulesofEnglishgrammar。

Ifyougetyourbanktogenerateamoneyorder,itusually______conversionfees.

Anyvisitorstotheproductionfacilitiesmust____asecuritypassfromtheinformationdeskatthefrontentrance.

Hehasmadeanotherwonderfuldiscovery,_____ofgreatimportancetoscience.

Undernocircumstances_____anythingthatwillbenefitourselvesbutatthesametimeharmtheinterestsof。