Let’s
.
A. seeing B. to see C. see
——_______.Where is the post office?
——________, I don't know.
A.Hi; Thank you B.Excuse me; OK C.Excuse me; Sorry
How do you go to _____Canada?
A.the B./ C.a
We usually go to the park_________.
A.on feet B.on foot C.by foot
Turn left ______ the bookstore.
A.on B.at C.to
__________, where is the post office?
A.Excuse me B.Sorry C.Thank you