Respuesta :
We present the correct verbs in conjugated form:
1) saben, 2) conocen a, 3) sabe, 4) saben.
The verb "saber" is referred to something that subject already know, whereas the verb "conocer a" is used on the situation where subject is about to know something or someone. In this question, we shall conjugate each verb in present tense, which sounds more natural according to each context.
1) Los turistas saben que la arquitectura y el trabajo de los escultores es muy fino. Justification - Subject belongs to 3rd person plural.
2) Muchas personas conocen a David Rincón, que ahora cuida la iglesia. Justification - Subject belongs to 3rd person plural.
3) David Rincón sabe que la catedral es la octava maravilla del mundo. Justification - Subject belongs to 1st person singular.
4) Los turistas saben que las figuras son de sal. Justification - Subject belongs to 3rd person plural.
We kindly invite to check this question on sentences in Spanish: https://brainly.com/question/16115661