Choose the sentences that can be used in formal letters. More than one answer is possible.

Tick the correct answers.

• Yours sincerely,
• I hope you and your family are well.
• I am writing in response to your advertisement on the website.
• Could you please send me some more details about this course?
• Looking forward to hearing from you!
• It'll be great if you can book a table in the restaurant in advance.