—What’s the matter with Tim?—Oh, Tim’s cellphone was left in a taxi accidentally, never ____ again.
I was still sleeping when the fire , and then it spread quickly.
Driving a car is not so difficult as you imagine, if you _____ the rules.
Remember not to ____ when you enter the room.
Suddenly the small boy stopped and bent down as if to _____ something.
Would you please turn your radio a little? I’m tired now and feel like sleeping.