John _______ to be a polite man. But in fact he is veryrude.
A
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Whenyoufillintheapplicationform,pleaseuseyour_______addresssothatwecancontactyoueasilylater.
Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.
Whenmakingmoderncameras,peoplebeganto_______plasticsformetal.