---I find ________ hard ________ me to understand his painting.---It’s polite ________ you to say so. His painting is nothing.
----Who is _____ ? ----_____name is Betty.
----____ you American? ----No, I ___ English.
----___ class is Tony ___? ----Class Five.
Mum, ______ my English teacher, Miss Yang.
This is _____ book. And it is ____ English book.