You can ask Alan for help. He won't

Those__________ my parents.

一The summer vacation is coming．Do you have any ideas about the coming vacation?－I 　　volunteering in the old people’s home．What do you think of it?

— I ‘m  sorry . I ___ your notebook  at home.— That’s all right, but remember to ____ it here tomorrow.

We can go to a _______ to mail things.