User: I should have thought it is was pretty ........

At the end of the race the tortoise, ....... by all his hard work, was quietly slumbering on the line.

He tends to forget things very quickly and behaves more and more like the typical ....... professor.

There are no problems for me because I find those questions very ........

There's no fool like an ....... fool.

The more …………………the work is, the more interested I get in it.

What you could hear was the ants who were ....... drying grain.

A / an _______ species is a population of an organism which is at risk of becoming extinct.

Never ask Phoebe to dance while her husband is looking. He always gets so ....... of her.

I feel so ....... today. I should have gone to bed earlier last night.