写出构成新形容词的原词：

后缀　　　　　　　原词　　　　　　形式

例如：-al　　　　　nation　　　　　national

　　　-an　　　　________　　　　Italian

　　　-able　　　________　　　　reasonable

　　　-ful　　　________　　　　　helpful

　　　-ing　　　　________　　　　tiring

　　　-ive　　　　________　　　　active

　　　-y　　　　_________　　　　cloudy

仔细阅读下面的短文，文中共有10个空格。请根据每小题括号内的具体要求完成语法填空，例如正确词性，词形变化等。

There are two main reasons 　　1　　 (关系代词或关系副词) the temperature of the air is always 　　2　　 (change的正确形式)．One reason is that the air around you moves in from somewhere else．Air usually moves in large bodies 　　3　　 (call 的正确形式) air masses．Some air masses move in from the north．These air masses usually have cold air that cause the temperature 　　4　　 (drop的正确形式)．Air masses also move in from the south．They usually have 　　5　　 (warm的正确形式) air that causes the temperature to rise．

Temperature changes during the day or night can be great 　　6　　 (连词)small．This depends partly 　　7　　 (介词) how many clouds are in the sky．　　8　　 (连词)there are many clouds during the night, they act like tile covers on your bed．They blanket the earth and keep the air from losing much of 　　9　　 (代词)heat．The temperature usually does not drop much during such a night．When there are many clouds during 　　10　　 (冠词)day, some of the sun’s energy will not reach the earth．The temperature usually does not rise much on such a day．

写出构成新名词的原名词、形容词或动词：

后缀　　　动词/名词/形容词　　　　　形式

例如：-er　　　　paint　　　　　　　painter

　　　-er　　　　________　　　　　driver

　　　-or　　　　________　　　　　visitor

　　　-ese　　　　_______　　　　　Chinese

　　　-ian　　　　_______　　　　　historian

　　　-ist　　　________　　　　　　novelist

　　　-ment　　　______　　　　　　development

　　　-ness　　　_______　　　　　　happiness

　　　-tion　　　_______　　　　　　invention