как можно скорее, Your English-speaking
friend has sent you a text message
saying that he's/ she's got a stomach
ache. Send him/her a text message
(25-35 words). In your message: express
your sympathy - give him/her advice - ask
if you can go and visit him/her.​

Hi [Friend's Name],

I'm really sorry to hear about your stomachache. I hope you feel better soon!
In the meantime, make sure to drink plenty of fluids and try to rest.
Can I come and visit you? Let me know. Take care!

Best regards,
[Your Name]