Though the passage is easy, I don’t think __________can understand it.

Is that bike        ?

— Who will teach _______ oral English next term? Can it be a new teacher?— Perhaps. But our head teacher hasn't told us ________ .

--- Excuse me, is this ______ ipad?--- No, it’s not mine. It’s my friend’s.

_______ of us has some bad habits. We must get rid of them.