Thisriverissobigthatitisimpossibletobuilda_______underitwithoutmoderntechnology.
Sometimesitisverydifficultto_______someoftheEnglishwords.Eventhenativespeakercannothelp.
The_______workcontinuedformorethanaweekbuttherewasstillnosignofthemissingboy.
Whenyoufillintheapplicationform,pleaseuseyour_______addresssothatwecancontactyoueasilylater.