---Is this _____ schoolbag?---No, it isn’t. _____ is black. But this one is white.
Your ideainteresting.
Hea bike in the street when he was hit by a car.
—You will go swimming this Saturday, won’t you? —. I have to work this Saturday.
—Your father isn’t in. Where is he? HeBeijing on business.
Don’t forgetthe lights when you leave.