-- Excuse me, I want to buy some stamps. Where can I find a post office? -- I know ______ not far from here. You can find ______ without difficulty.
—What’s your favorite ________? —It’s science.
—______ your brother ______ a basketball? —Yes, he does.
—I can’t find my notebook, mom. _______ is it? —Peter, it’s under the chair.
—Is this ________ key, Tom? —No, that one is ________.
.—Is this your book, Jane? —_______. Thank you!