Answer:
I am sick. *
Estar
He is tall. *
Ser
It is May 5th. *
Estar
Where are you from? *
Ser
The book is on the desk. *
Estar
Step-by-step explanation:
Disclaimer: I am not a native Spanish speaker.
I am assuming you need to choose whether you should use a conjugation of ser or estar in each sentence.
Ser=to be (permanent)
Estar=to be (temporary)
I am sick. *
Estoy / Estar
He is tall. *
Es / Ser
It is May 5th. *
Es / Ser
Where are you from? *
Eres / Ser
The book is on the desk. *
Está / Estar