用方框中所给的词语的适当形式填空.
Serious ; laugh ; invite ; help ; smart ; because ; rain ; show ; write ; should
Mr.Green won’t go to the concert ______ he is really busy .
Last Saturday my best friend ______ me with my math .
Lisa is very ______.She studies very well .
Thanks for ______ me to your birthday party .
He doesn’t like talking or laughing .He’s ______ and quiet .
Could you _____ us your family photos
Who do you think ______ get the job ,Tom or Peter
I enjoy ______ .I want to be a writer when I grow up .