The thief took away the woman ’s wallet without ________.
A、beingseenA
without是介詞，其后的動詞必須用動名詞形式。根據句意，此句需要用被動形式，所以答案是A。
Bloomfielddrewon______psychologywhentryingtodefinethemeaningoflinguisticforms.
Johnsonwas________unknownbeforerunningforthepresidency.
Itwasasmallplacethencomparedto_______itisnow.
Thereply,whenitfinallycame,was________thenegative.
If you are walking away from a clock tower ，you will hear the ticking of the clock fade to a point ________ it cannot be heard.
