From the rules of language acquisition, in any language, spoken language is primary, literal syntax is second nature, so in the four skills of listening in the first place.
From the point of view of language acquisition law, any language, audio language is primary, literal syntax is secondary, so these four skills, listening are at the forefront.
From the point of view of language acquisition of any language, verbal language is the first language, grammar is secondary, therefore, among the four skills, listening in the first place.