1010. I.........(write) a letter to my girlfriend yesterday, but I.........(write / not) a letter to her last week.

Решение:

Оба действия произошли в прошлом ('yesterday' и 'last week'). Используется Past Simple.

• 1010. I wrote (write) a letter to my girlfriend yesterday, but I didn't write (write / not) a letter to her last week.

Ответ: wrote, didn't write