— I told you that he would come to see you.— Actually I had little doubt _____ it was true.
-How would you like your coffee? -____.
As we all know, water ______ hydrogen and oxygen.
When _____ help, one often says “Thank you.” or “it’s kind of you”
He narrowly escaped _______ by the falling tree.
_____ is known to us all, a skill can only be acquired through hard work.