用所给单词的适当形式填空 kangaroos are _____ (play) and chimpanzees are_

kangaroos are ___playing___ (play)and chimpanzees are __noisy_(noise).
（翻译：袋鼠正在玩耍而黑猩猩是吵闹的.第一空用进行时be doing,二空,用形容词形式.be动词后不能用动词原形）.
Air___pollution__ (pollute)is bad for our health.
翻译：空气污染对我们的健康有害.用名词形式.
he is writing ___to say__ (say) that his father is ill.他写信去说他爸爸病了.表示写信的目的,用不定式.
zoos should provide clean and safe places for___dangerous___ (danger) animals to live in
翻译：动物园应该提供清洁安全的环境给危险性动物居住.用形容词形式.this TVplay is very ___wonderful___ (wonder)
翻译：这本电视剧很精彩.形容词形式.they decided to wipe out all the _____aggression___ (aggressive)
翻译：他们决定消灭所有的侵略.由于aggressiveness强调侵略性质,aggression强调侵略行为,此处用aggression比较妥当.
such an answer disturbed her ___enormously__ (enormous)
翻译：这样的答案严重干扰了她.修饰动词,用副词形式,enormously原意：巨大地

Air _pollution__ (pollute) is bad for our health
he is writing__________ (say) that his father is ill
zoos should provide clean and safe places for__dangerous____ (danger) animals to live in

题目这里是填playing, noisy. 其他题见下。
1、pollution（名词，污染）
2、to say（不定式，写信去说）
3、dangerous（形容词，危险的）
4、wonderful（形容词，极好的）
5、aggressiveness（名词，侵略）
6、enormously（副词，极大地）

请参考。...

更正楼上错误，保证答案准确率！

1. playing 现在进行时
noisy 喧闹的
2. pollution
air pollution 空气污染
3. saying
现在分词saying构成短语，做伴随状语
4. endangered 濒危的
5. wonderful 精彩的
6. aggressors 侵略者...