_______ we have learned about 2000 English words. A. At first B. After all C. So far
—Peter , don’t run in the hallways .--________.
—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 .