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 。
______ of a sentence depends on the context in which the sentence is uttered.
The conclusion from the study is not definite; it is just ________.
This is an important problem _______ too few social scientists have researched.
Searle'sclassificationofillocutionaryactsisbasedontheclassificationofperformativeverbs.
He talked a lot about things and persons ________they remembered in the school.
