When ________ questions in class, one should answer them as clearly as possible.
It was not just the size of the party last night __________ made it unique, but __________ it meant to our company.
__________ on rescuing her daughter, the poor mother has been searching the ruins for days.
"You must keep your promise," said the little prince, softly, as he sat down beside me __________.
He __________ a spelling mistake on the front page cbecause he finished his English paper in a hurry.
My memory of the happy days we spent together will not __________ as time goes by.