--Can I change for a quiet room? This one is too noisy.--Sure, you can. But you need to pay for________20 dollars.
—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.
—_____ do you go to the zoo with your brother? —Three times a month.