16 B Each phrase below has one word

16 B Each phrase below has one word missing . Add the missing word
1. With reference to you sent 6 June,
2. Thank you sending to me the catalogue I requested.
3. We are witting to inform that.
4. We are able confirm that.
5. I apologise the delay.
6. I would appreciate if you could.
7. Please get back me if there’s anything else.
8. what time would convenient for you?
9. If you like any more details, just let me know.
10. Anyway , that’s enough, I think I stop writing now.
11. It was good to meet you the conference in Paris.
12. I look forward to hearing you soon.
13. I’ve attached a copy the latest sales figures.
14. Thank you for the invitation visit your company.
15. With reference your enquiry , I’ve attached all the information you need.