Which word best completes the following question?
que dia hoy?
a. soy
b. eres
c. es
d. somos

which word best completes the response to the following question?
de donde eres de colombia
a. soy
b. eres
c. sois
d. son

which word best completes the following statement?
ellos catolicos
a. soy
b. eres
c. es
d. son

which of the following cuts of meat can be typically found at un asado but not at a barbecue?
a. chuck
b. sirloin
c. ribs
d. blade steak

Which word best completes the following question?
que dia hoy? 
c. es

The choice is easy because we need to find a verb that works with "hoy" and that is "es" = we need a third person singular. The other forms are all not third person singular. 

which word best completes the response to the following question?
de donde eres de colombia 
a. soy

Hewe we need a first person singular - it is an answer to the question of "eres" = so the person wil answer "I am " - soy

which word best completes the following statement?
ellos catolicos
d. son 

Here we need "they are" - so "son" . they are catholic. 

which of the following cuts of meat can be typically found at un asado but not at a barbecue?
b. sirloin 

The meet known for Asado is Sirloin - a steack cut from the back of the animal . Especially ribs are well known barbecue meat!

What are the main think you have to do in this question i speak spanish i can .