Question

The consecration of (1)/the Eucharist, as well as (2)/the administration, (3)/were performed in English (4).

Q: Answer-The consecration of (1)/the Eucharist, as well as (2)/the administration, (3)/were performed in Engl...

When a phrase comes between the subject and the verb, remember that the verb still agrees with the subject, not the noun or pronoun in the phrase following the subject of the sentence. Here, since the consecration is singular, was is correct. The consecration of the Eucharist, as well as the administration, was performed in English.