Business correspondence: Format and register

Label the parts of the e-mail.

Which of these phrases are written in a formal register and are appropriate for business letters? Check the boxes.

This is a common phrase you can include in your mail. How would you complete it? I am looking [blank_start]forward[blank_end] to hearing [blank_start]from[blank_end] you soon.

This is a useful phrase you can include in your mails. How would you complete it? Please, do not [blank_start]hesitate[blank_end] to contact me if you need [blank_start]further[blank_end] information.