Задание

Choose the grammatically correct sentences. More than one answer is possible.

Tick the correct answers.

By the year 3000, people change their lifestyle.

Sophie will have arrived at her grandmother's house by then.

By the time I'm 70 years old, I will see 50 countries.

What will she have achieved by the time she is 30 years old?

English classes will already begin by the time she arrives at school.