Excuse me, but can you tell me what UN in your papers ________?
The Roman Empire _____ for several centuries.
I could hardly tell the twins apart because their appearances are only ____ different.
He is the lawyer who you took photos ____ you were in the Forbidden City.
This picture was taken when my father was a child and even I myself couldn’t _____.
While ____ in tea with that dealer, Mr. Smith had himself ____.