Soluzione del esercizio 6 di Performer B2 - Student's Book

Esercizi svolti per il libro Performer B2 - Student's Book

Soluzione

  1. By the time I was 6, I had already learned to ride a bike.
  2. I was surprised that my best friend had already finished reading the entire book.
  3. At the end of my holidays, I had visited five different countries.
  4. Until last year, I had not traveled outside of my home country.