You'd better return home at once.

Source: Tatoeba

This boy is riding a horse for the first time.

Source: Tatoeba

Okay, I'm coming!

Source: Tatoeba

Since I had met him once before, I recognized him right away.

Source: Tatoeba

I'll have exams right after the summer holidays.

Source: Tatoeba

We must carry out the plan at once.

Source: Tatoeba

Bring tea immediately!

Source: Tatoeba

You had better leave at once.

Source: Tatoeba

I'll be there right away.

Source: Tatoeba