根据句意和汉语注释，写出括号内所给单词适当形式。
Be careful! This kind of disease can be easily ________ everywhere by some animals．(扩散)
The nurse was told not to be ________ with the sick child(急躁的)．
根据句意及汉语提示，写出各单词的正确形式，每空填一词。
In ancient ________(时代), man tried many different ways to write numbers．
Now it is very easy for people to go ________(无论哪里)they like because of the high-speed train．
How much will each receive if the three apples are divided ________(在……中)the three boys?
He lives on the ________(十二)floor．I live three floors above him．
If someone is ________(没礼貌), we mean that they are rather rude and do not have good manners．
单词拼写，根据下列句子及所给汉语注释或对话情景提示，写出空缺处各单词的正确形式。每空只写一词。
________(最后), colour the airplane and fly it．
Learning is ________(无止境)．We must work hard．
My father often ________(鼓励)me to exercise every day when l was young．