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TOEFL - Error recognition Test 19

Each question has one grammar mistake. Choose the underlined portion that has the mistake.
Questions 1 - 5 of 20

1. It is interesting to compare the early stylized art forms of ancient civilizations to the modern abstract forms of art.

A. interesting
B. to compare
C. of
D. to

2. George Gershwin not only composed popular songs for musicals, also wrote more serious concerts.

A. composed
B. for
C. also
D. more serious

3. Pioneers on the plains sometimes living in dugouts, sod rooms cut into hillsides.

A. on the
B. sometimes
C. living
D. cut into

4. The average salt content of seawater is more than three percents.

A. average
B. content
C. more than
D. percents

5. The progress made in space travel for the early 1960s is remarkable.

A. progress
B. made
C. in space
D. for