Peter sat on the train seat, with his eyes ____ on the fields outside the window.

Jenny was bending over a desk, her tongue sticking out slightly, _____ in the pain of composition.

－prlfessor, do you have something       at this moment?－No,thanks.I'llcall you if there is any.

When I visited the city of Rome，I found the buildings，squares and parks _____________in very different styles．

(2011·重庆高考)Michael put up a picture of Yao Ming beside the bed to keep himself______of his own dreams.