Too much work and too little rest ____ to his illness.
No one ________ be more generous; he has a heart of gold.
They were determined to carry out the plan at first, but then we ________ persuade them to change their minds.
—Could I use your pen? —Yes, of course you ________.
When winter comes, _________ spring be far behind?
It is surprising that that mean man ________ give away his money to the poor.