Passengers are not allowed to use cell phones _-- airplanes.
ক) with
খ) at
গ) of
ঘ) on
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ক) picture
খ) predicament
গ) inclinations
ঘ) life
ক) intemperance
খ) frugality
গ) intolerance
ঘ) diffidence
ক) Sympathetic
খ) Charitable
গ) Cooperative
ঘ) Informal
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