—Where is Xiao Wang? —I don't know.He__________ be in the library.
---- “Alice, why didn't you come yesterday?” ----- “I______, but I had an unexpected visitor.”
I met several people there, two of _____ being foreigners.
----“Where is it?” ----- “Where is _____? I don't know what do you mean?”
-----“I like you more than her, my dear.” ------ “You mean more than _____love her or more than she loves _____?”
I met several people there, two of _____were foreigners.