1.a duct that provides ventilation (as in mines)
Daily English Quiz
General English Quiz is daily dose of question and answers to keep your language knowledge conversant.
English Test question and answers to keep your language knowledge up-to-date.
air force academy
air force intelligence surveillance and reconnaissance
air force isr
air force officer
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English Grammar Test
English Grammar Test is an application to help you enhance your English expertise.
afraid of one's own shadow
to be easily frightened
The small dog is afraid of his own shadow.
More Idioms ...
Choose an idiom to replace the expression in the brackets:
We had (an honest and frank) discussion about our relationship last night.
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