--Lucy is a(n) ______ student. She answers the teacher’s questions ______ in her class.
–How long are you staying here? --_____ 4 days.
This is David’s postcard, please_____.
Hainan Island is a good place_____.
He couldn’t wait_____ home after he finished_____ the movie.
--_____ do you live from your school? --About ten minutes’ walk.