Assinale a alternativa em que o uso do singular ou do plural está I...

Read the sentences below and choose the option which is grammatically correct:

Complete the sentences. Mark introduced ____________ to the others guests at the party. It isn’t Marcie´s fault. She really shouldn’t blame __________...

The sentence “Have you heard from Richard recently?” is in the:

Choose the alternative that contains the incorrec sentence:I. She has been working here since five years.II. I have already completed the assignment.I...

Which alternative is correct? I don’t remember _________ about the accident.

Choose the best dialogue completion: “Did you visit the Grossmünster when you were in Zurich?” “No, I didn’t. But now I wish I _____________.”