When I came in, I saw her sitting in the sofa ______ in thought.
What have you done ____ my picture-book?
.---Do you like working as a waiter? -----Yes, but I get tired ___ the whole day.
I saw a man standing ___ the tree ___ a distance of twenty yards.
---Please come here again. -----I will surely ____ you when I come to your city someday.
Look ___ the note ___ the text ___ page 58.