----Dad, the bread is not enough. I am still hungry. I have something more? ----But there’s nothing in the fridge now.
—What ________ to the boy a moment ago? —The knife cut his tiptoe.
—Do you teach ________ foreign languages? —Yes, I learn them on TV.
Jack _______ swim when he was five years old.
I think this problem is _______ that one.
Mrs Li is planning ______ Beijing with her cousin.