What are in the boxes shipped to the two sisters every day?
A、Love letters.
B、Picture books.
C、Dance shoes and dresses.
D、Notes asking for help.
22( )
A、behind
B、under
C、in front of
D、on top of
A.Thank you.B.Here you are.C. Good morning.D.Where are you from?E.How's everything with you?F.Why do you come to China?G.How long will you stay in China?