office
                    - The post office is ______ the park. [ ]
 - My father’s office is at the top.I can see the whole city _____ the office.[ ]
 - The post office is across ____ the police office.[ ]
 - My father’s office is at the top. I can see the whole city ______ the office. [ ]
 - _____is the post office ?— Go straight and turn right.
 - The office isn’t _______. Will you please turn on the lights? — Sure.
 - It’s the office! So you know eating is not allowed here.— Oh, sorry.
 - The post office is about 1 kilometer __________.
 - The man in the office ____be Mr. Black because he phoned me from London just now.
 - Is Mr. Green in the office?—No, he ________ be in the office. Look, the light in the office is off.