Soluzione del esercizio Think it out di Engage!, Vol. 1

Esercizi svolti per il libro Engage!, Vol. 1

Soluzione

  1. Countable nouns can be singular or plural. We can use 'a/an' or numbers with them.
  2. Uncountable nouns are not singular or plural, we can't count them. We never use 'a/an' with them.