You did not use "that" after think or believe.
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I don’t think (that) a person’s race determines everything about him.
But I believe (that) deep in our mind is instilled the stereotype of each race, ...
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I did a little research and found that with or without "that" they are grammatically correct.
Below are the question and answer I found:
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To: All
Posted: May 08 09 12:37 AM
Message: 387.1 (1 of 2)
Hi,
I would like to know which one is true or more appropriate in an essay:
"I think dreams can be..." or "I think that dreams can be..."
Thanks,
To: entropi053
Posted: May 11 09 06:02 AM
Message: 387.2 (2 of 2) Reply to 387.1
Grammatically, both versions are correct. This is a question of style, with the first version a bit less formal than the second.
Richard
About.com Guide to Grammar & Composition
Source: http://forums.about.com/n/pfx/forum.aspx?nav=messages&webtag=ab-grammar&tid=387
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顺便猜一猜，你是带蓝色小礼帽的某教授？
