4. I did not notice that my watch (to stop), and when I (to arrive) at the station, my train (to leave) and I (to have) to ask when the next train (to come).

Решение:

Вставьте глаголы в нужной форме:

1. I did not notice that my watch had stopped, and when I arrived at the station, my train had left and I had to ask when the next train would come.

Ответ: had stopped; arrived; had left; had to; would come.