There __________great changes in our hometown in the past fifteen years.
---______, is this your pencil?-----Yes,it is.
Lisa, my hat is on the desk. Can you ____ it for me?
–I don’t know this English word(单词).----Well,here is a ______ and it can help you.
_______? It’s orange.
I have ____ soccer ball, but I don’t play_______ soccer.