Student or Learner
1. Does this "should" denote presumption or obligation?
2. Why is present progressive used here?
30)Imagine that you are at a party, and your host introduces you to a man, then leaves the two of you to get acquainted. A friend approaches you and wants to be introduced. Can you remember the man's name so that you can introduce him to your friend? Probably not. If you have a terrible memory for names, then you should probably be blaming you attention rather than your memory....
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