Wecannottrusthimanymorebecauseheoften________hisduty.
A、owesWhenmakingmoderncameras,peoplebeganto_______plasticsformetal.
Pinetreesareusuallybelievedto_______coldweather.
The_______workcontinuedformorethanaweekbuttherewasstillnosignofthemissingboy.
John_______tobeapoliteman.Butinfactheisveryrude.
Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.
