Question sur la grammaire et la structure. Je veux seulement ces chaises - là; ... sont trop chères.
Answer Details
The blank should be filled with "elles sont trop chères." because "ces chaises-là" is a feminine plural noun in French, and therefore, requires the feminine plural demonstrative adjective "celles-ci" to refer to it. The sentence would then translate to "I only want those chairs; they are too expensive."