The Harry Potter books are quite popular ,they are in great _______ in this city.
At the foot of the hill ___ surrounded by trees.
--How often do you eat out? --___, but usually once a week.
The old man went into the room, ___ by his wife.
The new teacher made a good ___ on the students by her rich knowledge and humorous talk.
I’m pleased to see the problem ___ so quickly.