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?

—Jim, your bedroom is so dirty.—Sorry, Mum. I ________ it at once.

If you don’t want your parents to worry about you, you should learn to____ yourself

— Don’t  forget  ______ your homework ,Sue.— OK, I’ll do it at once.

My best friend told me that he wasn’t used to ______ by plane and he used to ______ uncomfortable.