---Look! That’s Amy. ---It _______ be her. She’s gone to Xi’an.
---Who is running on the sports field? ---Itbe David, He is ill at home.
Look at the name on the book and it must belong to_________ .
---TomLily is coming. ---Yeah, l am so happy they are free tomorrow.
Grandma Li is a “ Baba Dancer”, so she loves the music she _________in the square(广场).
---Did youthe party last night? ---Yes, it was a good chance __________ some new friends.