Itisobvioushowbadmovieswillimpact________children.
A
impact 有时也可以当作一个动词来用，与之搭配的介词仍然是 on。句意：坏电影对儿童会产生什么影响是显而易见的。
Iwouldlove________tothepartylastnightbutIhadtoworkextrahourstofinishareport.
Heboughtahouseforhischildren________
He bought a house for his children ________
_______ at all is worth doing well.
He declined _______ more about it.
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