—Hello. Who is speaking ?—Hi,Ann._________ Mary.
Alice is famous ________ her paintings.
Mike is my good friend. He often helps _______ with my English.
We were worrying about you. You shouldn’t leave us_____ telling us.
There _____ ten desks in this room but there aren’t _____ in that room.
---- Why do you like history? ---- Because it’s ________ and interesting. A. boring B. difficult C. easy