---Why not stop __________ a rest?--- Oh, it’s so exciting that I can’t stop ____________ the model plane.
(北京)—What were you doing when we were playing basketball yesterday afternoon? —I________the classroom.
My alarm didn’t________.So I woke up late.
There is a ruler on the ground.Please________.
I was staying at home and watching TV________the time of the rainstorm.
I________go to bed________my mother returned home.