Hello. I’d like to have a talk with Mr. Smith staying in your hotel. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> — I’m sorry, he isn’t here. He ______ this morning.
A.
checked in
B.
dropped in
C.
checked out
D.
dropped out prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>