---I called you last night, but nobody answered.---Oh, I usually___off my cellphone by 9:00 p.m.
——The dinner was delicious! ——I agree. I am so full. ——That’s too bad. But some dessert ____.
I have no one ____ me, for I am a new comer here.
We are going to discuss the way of reading works ____ it is used for real life purposes, and this should give you a better understanding of it.
——When did it begin to snow? ——It started ____ the night.
Scientists say they have found a way to produce the human body’s own cancer-killing cells through gene treatment, ____ new hope to cancer sufferers.