12.So absorbed__________in her work that she didn't realize I was behind her.
It’s the tsunami not the strong earthquake that has _____ great damage to Japan.
–Do you have anything _________ for the weekend? –Yes. Go fishing with my son.
In the corner of the room, we found the little boy ________ on the ground with both hands ______ up with a rope.
Mark Twin wrote many popular novels in his life, ________ The Adventures of Tom Sawyer is a best example.
I watched everyone hurrying to and fro, most with eyes ____ the ground.