There has been a（n）____of sadness in the small town since a boy was drowned in the river．

 Don’t try to persuade your boss；he won’t have the       of employing me—a fresh student. 

Thanks to the modern electrical_____, housework nowadays has been made easier and easier.

Bill was doing a lot of physical exercises to build up his ________.

 To have a good performance in the coming speech contest, first of all, you  should know your ______.