用所给词的适当形式填空（5分）：
小题1:I have been in No. 2 Middle School for two years. I don’t worry about _______________
(not have) new good friends.
小题2:The big birthday cake _____________________ (divide) into ten parts tomorrow.
小题3:It is silly of you __________________ (not forgive) others for their faults.
小题4:I think he is __________________________ (suitable) person for the job of all.
小题5:My grandma is in a good mood because tomorrow will be her__________ birthday. (nine)
