The Yellow River is the second ______one in China.

. —How’s your tour around the North Lake? Is it beautiful?—It __________ be, but it is now heavily polluted.

Who helped Betty tidy up the bedroom just now—________. She cleaned it all by herself.

I did not give offence to you ___________—Forget it Let’s make up

finished off two pizzas!—Yes But the second is ___________little bit small, so may I have __________ third one