Verified Answer :

  1. = 5. incorrect use of a verb: it should be lying, not laying, something lies, but you lay something
    27. = C: this one seems correct to me
    28. = 1. incorrect use of a pronoun: it should be us, no we
    29. = 1. incorrect use of a pronoun: it should be any, not none
    30. = 2. subject-verb agreement: should be seemS. not seem
    31. = C: this one is correct
    32. = 2. incorrect subject-verb agreement: should be IS, not are
    33. = 1. incorrect use of a pronoun: should be WHOM, not who

    I'm not really sure about these ones though.