Dear Mary,
I'm sorry to hear that you've caught a cold.I hope you're getting better now.
To recover soon,remember to drink a lot water and eat plenty of vegetable and fruits,these will do good to you.Besides,you should try to stay in a good mood as well as get enough sleep.
When you getting better,taking exercise is a good choice since it can strenghthen you body.So let's go to climb the mountain this weekend,shall we?
looking forward to hear from you soon.
Sincerly yours,
Lily