Task 1. Below are some common ways of accepting or refusing an invitation. Read them, and fill each blank of the notes with a suitable expression.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
   I’m sorry I can’t because      I'd be delighted to      Yes, that's a great idea   
1. Dear Chi,
Somthing is wrong with my phone, so l am leaving you this note. Thanks for your invitation. ! How about meeting at the school gate at 8:30?
Lien
Dear David,
Thanhs for your note. my father has been ill since yesterday and I have to look after him.
Let go another time.
Mike.
Dear Daisy and Tony,
Thanks very much for your invitation to dinner. Of course, .
I'm sure we will have a very good time together.
Susan