I have ________ apple. It's red.
-- ________ your homework yet? -- Not yet. I _______ it.
-- Did you read a book about customs last week? -- Yes, I found ______ very useful to know the customs of foreign countries.
--You used to be quiet, ____you? --Yes, and I used to be very shy.
-- How do you study a test? -- I studylistening to tapes.
--What’s the matter? --They said I shouldn’t be allowed here. They don’t allowin the waiting room.