One third of the class _____ agreed to be volunteers to help the aged this vocation.
He is only too ready to help others, seldom, ____, refusing them when they turn to him.
I think the doctor is able to care of _____ is the matter with your son .
Let us not waste ______ time we have left .
Do you consider it any good _____ the truck again ?
It's nearly seven o'clock . Jack _____ be here at any moment .