It's difficult to t some hot words such as neijuan,fanersai and wude into English.
—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.