At, In, On; Joe's car, Joes' car, Joe’s car’s______his way to th

At, In, On; Joe's car, Joes' car, Joe’s car’s
______his way to the theatre,______ is stuck in the mud.
【正确答案】：On / Joe's car
【题目解析】：The genitive is generally formed in writing by adding ’s to singular nouns and to the plural nouns that do not end in -s. Plural nouns that end in -s take apostrophe as genitive marker.