词形变换（共10小题;每小题1分，满分10分）
One of the ____________ on the table is broken. (glass)
I have a lot of homework ______ (do).
All of you are very busy __________ready for this exam, aren’t you? (get)
Be _________ when you cross the street. (care)
They stopped ______ (play) basketball because it began to rain
We all received an __________ to her wedding. (invite)
Thanks a lot for _____(ask) me to your party.
At the age of ten Edison became very ______ (interest) in science.
My neighbor, Helen, never talks to me .She is so __________. (friendly)
We live in a place ______ (call) Gum Tree.