34.—Where is Xiao Wang? —I don't know.He__________ be in the library.
Sarah hopes to become a friend of _________ shares her interests.
--What is that building? --____________ the students have their dance classes.
When _________ by the reporter about his generous action, he said: “__________ others can always be joyful.”
When Rebecca came to, she did not know how long she __________ there.
--Can Tom help me with my Physics? --His Physics is ____________ yours. He failed the exam, too.