It is "show/shows".
You is a pronoun and pronouns don't show tense. Verbs show tense. You walk to school. - present simple, verb walk You walked to school - past simple, verb walked = past tense of walk.
Answer is the simple present tense of answer.
Sit is the simple present tense.
the simple present tense and the present tense.
The simple present tense of can is just can.
Creep is the simple present tense.
Contribute is the present simple tense.
The simple present tense of "get" is "gets" for third person singular (he/she/it) and "get" for all other pronouns (I, you, we, they).
He,she,it + pastes (Simple Present tense} I,we,they + paste (simple present tense)
The simple present tense is do.
The simple present tense of finish is "finishes."
They take is already the simple present tense.