Read the sentences and choose the correct options
Differences and features
Informal letters—colloquial language; short forms; idioms letters to friends and close relatives.

Semi-formal letters—less colloquial language; full forms; polite language; letters to a familiar person or not a close relative.

Why not go jogging in the park in the evening?

• Informal
• Semi-formal

It would be a good idea if you offer your experience with the group.

• Informal
• Semi-formal

I'd love to accept Mike's invitation.

• Informal
• Semi-formal

I'm so sorry about forgetting to count the guests.

• Informal
• Semi-formal

Could you tell me where I can have dinner nearby?

• Informal
• Semi-formal

I would like to come to the disco party.

• Informal
• Semi-formal

I don't mind giving you my telephone number.

• Informal
• Semi-formal