Have you found the information about famous people you can use for your report?—Not yet. I’ll search after school.

______is the Changjiang river in China, do you know?—Yes, it’s about 6,380 kilometers long.

. A: Whose shirt is this? Is it Tom’s? B: No, it isn’t. ______________ is white.

How time flies! Three years ____________ really a short time.

Is this a photo __________ your friend?-Yes, it is.[ ]