You must be tired now. Why not _________ a rest

How much of the foreign expert’s speech have youunderstood—Almost nothing. I wish I ________ harder at English.

Please remain _____; the winner of the prize will be announced soon [ ]

She sells second-hand articles at reasonably fair prices from 10 to 50 dollars ____ in her shop

My mother often spends 2 hours ______ housework every day.