The thief took away the woman ’s wallet without ________.
A
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。
Johnsonwas________unknownbeforerunningforthepresidency.
Theothertimingsystembelongsinourinternalclocks，which，left________，wouldtiethebodytoa25-hourrhythm.
Countrylifeisbetterthancitylife________itoffersfreshairandnoiselessenvironment