请根据句意从方框中选择合适的动词，并用其适当时态填空，使句子通顺。

like   sweep    carry    leave   stop

My teacher        over ten books out of the classroom when I came in just now.
The rain       . Let’s go out to take a walk.
—Sam, come downstairs, please. I need your help.
—Just a minute, Mum. I        the floor.
—Why didn’t you hand in your homework yesterday?
—Sorry, I        it at home. I have brought it here today.
His grandma        singing Beijing opera in her free time.