Answer:
<u>La bicicleta es cómoda</u>
Explanation:
Bicicleta (bicycle) is a female noun and it's written in singular.
Plural should be written like this: las bicicletas son cómodas.
Answer:
All the following verbs are conjugated in present of indicative.
Explanation:
Uds. empiezan
Ud. nada.
Ud. lee.
Usted ve.
Ustedes suben.
The correct answer for your question is Tenga cuidado