—Trees are our friends. We should ______ them. —I agree with you. A. protect B. forget C. leave
-You were injured in the accident, weren't you ? -________, but look ,I'm all right now.
_______of the money_______been spent recycling the rubbish.
_______yogurt do you need? -Three cups.
_____mothers both work in the same hospital.
In the street I met the professor_______gave us a talk last week.