Thethieftookawaythewoman’swalletwithout________.
A、beingseenA
without 是介词，其后的动词必须用动名词形式。根据句意，此句需要用被动形式，所以答案是 A 。
Itisnotdecided________theconferencewillbeheld.
Well-arrangedsentencesareconsideredgrammaticalsentencesthatareformedfollowingasetofsyntacticrules.
Hesaidthatthegroup________himaletterandaskedhimtogothereforaninterview.
InclassifyingtheEnglishconsonantsandvowels,thesamecriteriacanbeapplied.
______ofasentencedependsonthecontextinwhichthesentenceisuttered.
