She sat at her desk, with her eyes ______ on the book, ______ in its plot.
At the meeting they discussed three different ________to the study of math.
It seemed only seconds ________ the boy finished washing his face.
They are walking down the way _______ there are many trees on ______side.
_______ from father to son, the music has not changed for centuries.
—Why are you going to make your journey in Hainan? —I really _______the place.