This only makes sense in context. There is a sentence before this one. Take a look at that sentence and the meaning will be clear.
in case of = preposition 前置词, and is used exactly like any preposition.
13 de abril de 2011
2
0
0
"I must, in case of her impromptu bursts of tears." 'Impromptu' can be an adverb or adjective, but never a noun. It cannot become plural. :)
13 de abril de 2011
0
0
¿No has encontrado las respuestas?
¡Escribe tus preguntas y deja que los hablantes nativos te ayuden!