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Error recognition

TOEFL - Error recognition Test 3

TOEFL - Error recognition Test 3

Each question has one grammar mistake. Choose the underlined portion that has the mistake.

Questions 1 - 5 of 20

1. Each of the nurses report to the operating room when his or her name is called.

A. of the

B. report

C. his or her name

D. is called

2. Because blood from different individuals may different in the type of antigen on the surface of the red cells and the type of antibody in the plasma, a dangerous reaction can occur between the donor and recipient in a blood transfusion.

A. Because

B. different

C. can occur

D. and

3. Both viruses also genes are made from nucleoproteins, the essential chemicals with which living matter duplicates itself.

A. also

B. are

C. living

D. itself

4. Although the Red Cross accepts blood from most donors, the nurses will not leave you give blood if you have just had a cold.

A. accepts

B. leave

C. give

D. had

5. Economists have tried to discourage the use of the phrase "underdeveloped nation" and encouraging the more accurate phrase "developing nation" in order to suggest an ongoing process.

A. to discourage

B. the use

C. encouraging

D. the more