Three college students were accused _____ causing the accident on purpose and sentenced to three years in prison.
He's so careless that he always _______ his school things at home.
--Excuse me, Look at the sign NO SMOKING! --Sorry, I ________ it.
The car ________ and stopped at the red traffic lights.
________ I close the window? It's so cold here.
I bought a new dictionary and it ________ me 30 yuan.