Dear fariz,

Here by i reply your message,if you have a problem in speaking english, you may try this following ways:

1. speak in front of the mirror in order to improve your confidence.
2. use english as your daily language, it  is not necessary to use full english, but you may try this way in order to improve your fluency.
3. read some books to add your vocabulary.

I hope the tips i give to you can help you to welcome your guest from Denmark. good luck

Regards,
Mr. Agus