He is an example of more valid and productive research than has usually been conducted on Easter Island. He represents a kind of research which the press does not report. In each of the following sentences find out what is wrong, if anything. In deciding whether there is something wrong with a sentence, consider the way a sentence should be written in standard written English, the kind of English usually found in textbooks. Remember that this is sometimes different from the kind of English that you use in talking with your friends.
Some sentences are acceptable without change.
No sentence contains more than one error. If the sentence has an error, you will find that the error is underlined and lettered. Assume that all other parts of the sentence are acceptable and cannot be changed. When you find an error, select the one underlined part that must be changed in order to make the sentence acceptable. A Tom ate the B hamburger, it was C good.