All possible means ______. However, nothing can _____ his wife dying of lung cancer.

The poet and ______ pianist is going to give us a talk this afternoon. 

Don't miss the meeting. The questions to be discussed at it _____ of great importance. 

Ten dollars_______a big sum for a small child,and they will go a long way.

Either you or one of your students __________ to attend the meeting that is due tomorrow.