Since last friday, the baby's favorite game has been playing peek-a-boo. a: has been playing b: playing peek-a-boo c: the baby's favorite game d: since last friday most certainly, tracking wild animals can have unexpected results. a: most certainly, tracking wild animals b: tracking wild animals c: can have unexpected results d: unexpected results

to and without are prepositions, so a, b, and d are prepositional phrases. the adverb phrase is c, about the surprise.

explanation:

one thousand and one nights, also known as arabian nights is a collection of stories whose basic structure is that of embedded narrative. this technique refers to a main story which works as the common frame - or framing narrative - for the other stories, and then this series of stories which are connected to the main one. this technique can also be referred to as a story within a story. the stories stem from the original tale, some begin and end on their own, some are connected to the previous or following one, by means of questions that are answered in the subsequent tale, or characters which reappear.