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