Replace the underlined words with a word or phrase that has a similar meaning.

1. Do I have to complete this form? fill in
2. Monica gave me a useful piece of advice about shopping in America.
3. I shall be alone most of the time.
4. They sent the form back to me because I didn’t write my signature at the bottom.
5. Please contact us if you need any more help.
6. I think I’m good at working as part of a group of people.