Which underlined phrase is an adjective phrase? the cookies smell quite delicious. sweet potato pie is my specialty. baking with my mother makes me very happy. i made a german chocolate cake for my grandfather’s birthday.

Which sentence correctly uses a comma to separate the introductory phrase? the library of congress is the largest library in the world, because it contains more than 147 million items. the largest library in the world is the library of congress, which contains more than 147 million items. the library of congress, which is the largest library in the world, houses over 147 million items. containing more than 147 million items, the library of congress is the largest library in the world.