As is known to all, the newly learnt words will soon be forgotten unless_____ used in everyday communication.

Michelle Obama wears clothes that anyone can buy in a mall and ________ she may have a larger effect on consumers than ordinary models.

Kids talk frequently about what they can do, __________ many adults do the opposite, tending to talk about what they can’t and why.

— Would you come to our party tomorrow, Della?— I’m afraid I can’t afford the time, but thank you for the invitation _______.

It seems that living green is _______ easy and affordable. A small step makes a big difference.