--I’ve got a headache again! ---Sorry to hear that. Walk to work every day and you’ll soon back in ______.

 You are really very kind. I’ll never forget the      you have done to me.

Good shoes, clothes and a backpack are the basic______ you need for your hiking. 

Only with this         can you solve the problem.

I’d like to take _____ of this opportunity to thank you for your help.