—Amy, could you please tell me something about David Beckham?—Sorry. I know ______ about him.A. everything B. something C. nothing
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--It’s so hot here. Do you mind ____________ the window?---____________. I will do it right now.
My computer broke down, but I am not clear ___________________.
--- What do you think of what I said?--- Sorry. I _____ about something else.
---Why not stop __________ a rest?--- Oh, it’s so exciting that I can’t stop ____________ the model plane.