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TOEIC - Error recognition Test 19

Each question has one grammar mistake. Choose the underlined portion that has the mistake.
Questions 1 - 5 of 10

1. A dolphin locates underwater objects in its path by doing a series of clicking and whistling sounds.

A. in
B. its
C. doing
D. whistling

2. Like a synonym of speech, which is the general term, address implies some degree of formality.

A. Like
B. speech
C. general
D. degree

3. Bauxite ores differ considerably physical appearance, according to their impurities and structural compositions.

A. considerably physical
B. according to
C. their
D. impurities

4. On February 20, 1962, Friendship T has orbited the Earth in a manned flight that last just under five hours.

A. has
B. a manned
C. flight
D. last just

5. The GATT is an international agreement designing to increase trade among member nations.

A. international
B. designing
C. among
D. member nations