-- Excuse me, where is the post office?--Go across the bridge, it’s on your left.
----___ class is Tony ___? ----Class Five.
----____ you American? ----No, I ___ English.
-- _____ classes are there in your school? –Thirty.
--_____ today? –It’s Monday.
----Are there ______ books in the box? ---Yes, there are ______.