This lesson is so (a)   (bored / boring).

It's so (a)   (frustrated / frustrating) ! No matter how much I study I can't seem to remember this vocabulary.

I thought her idea was absolutely (a)   (fascinated / fascinating)

This maths problem is so ...(confused / confusing) ! Can you help me?

(a)  

The teacher was really... (amused / amusing) , so the lesson passed quickly.

(a)  

The journey was (a)   (exhausted / exhausting) ! Twelve hours by bus!

The plane began to move in a rather...(alarmed / alarming) way.

(a)  

I was really ...(embarrassed / embarrassing) when I fell over in the street.

(a)  

I'm sorry, I can't come tonight. I'm completely (a)   (exhausted / exhausting).