Has Lucy gone back to her home in the US一Yes. She here only for three days with her friend.

The Chinese river dolphin is one of the First-Grade State Protection animals, a (an) mammal with its name – water panda.

Shall we go and ______ hello to the old man —Good idea! Let’s go.

Don’t forget ____________ your photos here when you come to school.

The story was _______ interesting _______ everyone would listen to it.