_____no doubt that someone _____ the wooden box containing the most precious treasures fromthe carrier under the cover of darkness [ ]

listener takes part in the conversation,offering ideas and ___ questions to keep the talk flowing.

Because of the ________ of her pet dog, Jenny was so sad and cried for a long time.

There are many kinds of clubs in our school for you to choose from. Which one would you like ________

He is one of the cleverest students ________ hard work was paid in the end.