— your mother know the boy in the car?—No, she .A. Do; don’t B. Does; doesn’t C. Does; does
The children ______ not to play with the fire.
With the help of the computer, information can ____every corner of the world swiftly.
---You seem to like sweets. ---_______ .That’s probably why I’m becoming fatter and fatter.
---I’m sorry to have kept you waiting long. ---Never mind. I ____ here for only a few minutes.
---Will you be back ____ five in the afternoon? ---I’m not sure, maybe later than that.