___ regular exercise is very important, it’s never a good idea to exercise too close to bedtime.
Mike came late again. It is _____ of him to keep others waiting.
While sometimes it’s necessary to have phone calls in public, loud phone conversations are not so.
Mary is very clever and_____ worth teaching , but her brother is not .Look he is now _____ asleep in class.
My computer is ________ in need of repair because it does not work at all.
He said he would come . He didn't _______.