9.My father has gone on ________.He has three __________ (busy).
10.This is an __________ (organize) to doante money to poor areas.11.Thank you for your ________ (kind).
12.Do you like this _________ (collect) of short stories?13.The boy is afraid of his father’s __________ (punish).14.The girl didn’t get married because of her ________ (ugly).15.Peter didn’t go to school because of his _______ (ill).
16.Japan is a _________ country,but China is a ________ (develop) one.17.He said the problem needed____________ discussion.(far) 18.I’m ________ to talk with you about the ______ topic.(please) 19.I received an __________ (invite) letter yesterday.20.He lives on the ________ (twelve) floor.