This is ______ unusual course that is taught in ______ university, but it’s of no use to the real life.
—Is your father at home ?—Yes, he _______ in the living room
—Hello ! May I speak to Jenny ?--________.
Bill can play_____violin but he can’t play _____chess.
We don’t know that Sally’s mother for half a year in London .
Lily and her sister look the same .I can’t tell one from .