---Who is the girl standing over there ?---Well , if you ___know , her name is Mabel .
—What do you think of the concert? —I really enjoy it. I didn’t expect it was ____ wonderful.
—Tom, you are caught late again. —Oh, ____.
—We must thank you for taking the trouble to cook us a meal. —____.
—Do you mind if I smoke? —____
—So you missed the meeting. —____. I got there five minutes before it finished.