If the sentence above is a question in TOEFL, where is the problem?

送交者: stocknh 于 2006-12-30, 15:55:08:

回答: you should say "Do not understand what are you talking about" 由 Wood 于 2006-12-30, 15:15:18:

Do not know what are you talking about.
a) Do not understand what are you talking about.
b) Do not know what you are talking about.
c) Does not understand what you are talking about.
d) Does not know what are you talking about.

Which one is correct answer?

If I am stupid, we do not have any difference. Hahaaaaa........

所有跟贴:

TOEFL is a stupid test invented by stupid Americans people - Wood (162 bytes) 2006-12-30, 16:16:44 (117597)
Oh good havens, "Do not understand what you ARE talking about" (无内容) - Wood (0 bytes) 2006-12-30, 16:10:16 (117594)
- Good..... Now, you know you are not that sharp...... :-) (无内容) - stocknh (0 bytes) 2006-12-30, 16:17:55 (117598)
  - no, i never thought i was sharp, my father used to call me - Wood (40 bytes) 2006-12-30, 16:20:11 (117600)

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