The washing machine is environmentally friendly because it uses ___ water and electricity than ___ models.

As the economy is getting better and better, there are more and more jobs _____.

 -- Tom, why didn’t you go to the flower show?--I think it’s something ______ pleasant.

Having been out of touch with his parents for two years, John returned home,           

---What do you think of my article, professor?  ---The former part is well written but _____ is just so so.