根据下列句子及所给汉语注释，写出空缺处各单词的正确形式。（每空只写一词）I’d like to be a _________(志愿者) in the next Olympics.
The machines are checked on a ________(定期的) basis.
In my spare time , I took a course in art and ________(设计).
The two ________(德国人) and three Englishmen are all my friends.
The students are mostly ___________(青少年) between 16 and 19.
I don’t think it good to keep small children sitting _________(直) all the time in class.
In spite of his illness, he carries on working as _________(往常).
His apartment is three __________(街区) away from our school.
His pet dog died and he ________(埋葬) it under a tall tree.
There is an _________(相等的) number of boys and girls in this class.
The _____________（听众）was enjoying every minute of the performance .
The Kennedy family was a most ___________ (富裕的) family in American history.
Smoking and drinking are ______ (不健康的) lifestyles.
Tom is on a ___________ (节食) to reduce his weight.
I know that if I start watching a soap opera, I will immediately become___________ (上瘾的).
Ann’s performance showed her t___________ for music.
R____________ animals like tigers and pandas should be protected.
The law b___________ selling weapons privately.
I didn’t r____________ you without your glasses.
I like studying in the library for there are too many d__________ at home.
Whenever I mplaying football, he said he is too busy.
Thank you very much. It was very cof you to pick me up in the airport.
Mr. Smith is always s_________ his child, which is not a good way to educate him.
He has never taken pof much money, but he has always been in good condition.