How to Use "vow" with Example Sentences

1. Candidates vow to defend the middle class and accuse their opponents of betraying it .
2. Meanwhile , mr obama 's vow never to fiddle data rings a little hollow .
3. Bin laden 's vow in the 1990 's to bankrupt the us has been partly achieved .
4. Don 't tell me that the almighty support to a person is the glorious action , please apply your glittering vow into practice .
5. Chinese vp , egypt president vow to boost ties