Animals are obviously ________ lower form of life than ________ man.
. . I thought she had retired, but ________ she hasn’t.
. --- I suggest we set up an out-of-class club. --- Great! That’s exactly what I ______.
. Can you imagine what problem may ________ when human beings are cloned?
. — I have learned that it is not easy to get on well with the new boss. —______? I think that I only need to do my own job well.
. — I ‘ll ask our physics teacher to explain Newton’s Second Law of Motion, which she taught us yesterday. — That’s just _______ most of the students haven’t understood.