There is no ________ thinking more about the matter. Take it easy.
I cannot __________ puzzled, for I simply cannot understand how I could have made such a stupid mistake.
-I hear Mr. Black is ill in hospital again. -What a poor man ! I can't help but __________ sorry for him.
If he takes on this work, he will have no choice but __________ an even greater challenge.
Before __________stood a terrible man; Linda could do nothing __________.
The girl sat in front of the television every evening, happy __________ anything that happened about the Olympic Games in London.