1b Listen and match each person with a thing and a reason.
Girl 1: Whose volleyball is this?
Boy: It must be Carla's.She loves volleyball.
Girl 1: How about this toy truck?
Girl 2: Hmm…that toy truck must belong to Jane's little brother.He was the only little kid at the picnic.And the magazine must belong to Deng Wen.He loves rabbits.
Boy: Oh,look,someone left a book.
Girl 2: That book must be Mary's. J.K.Rowling is her favorite writer.
Girl 1: OK…and how about this CD?
Girl 2: Hmm…The CD must belong to Grace.She always listens to pop music.