Mike replied, with a big smile, "Oh, you_______ to worry about them."
—_____ do you _____ the book? —It’s very interesting.
—How long can I keep the books? —_____
—_____ is it today? —It’s Tuesday.
—It’s time _____ lunch. —OK. Let’s _____.
Mr. Wang _____ gets up early. So he is ______ late for work.