Where is the cat?—It’s _____ the chair. [ ]

…Is thisbook you were talking about yesterday? …Yes，thank you very much.

More and more people in Beijing can talk and write _______ English. [ ]

You should tell _____ possible to support your ideas.[ ]

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