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Exercises 1

1
Please choose the best answer or find the mistake (underlined).
The first systematic chart ever made of an ocean current ___ by Benjamin Franklin.
Choose one answer.

a. published

b. was published

c. publishing

d. has been published




2

Animals ___ on Earth for at least 700 million years.
Choose one answer.

a. living

b. lived

c. have lived

d. have been lived



3
During the Ice Age, glaciers ___ and retreated several times over large areas of the earth.
Choose one answer.

a. had been advanced

b. were advanced

c. have advanced

d. advanced



4
Some fish ___ distortions of electrical field through special receptors.
Choose one answer.

a. sense

b. are sensing

c. are sensed

d. senses



5
The widespread use of oil and gas to make chemicals ___ during the 1920s.
Choose one answer.

a. has begun

b. began

c. beginning

d. begun



6

Find the incorrect word (A), (B), (C), or (D)
The American architect Frank Lloyd Wright (A) developed a theory of architecture (B) stressed the needs of the people (C) who (D) used it.
Choose one answer.

a. A

b. B

c. C

d. D



7
Pelicans (A) have a long, straight bill with a (B) flexible pouch, (C) makes of skin on the (D) underside.
Choose one answer.

a. A

b. B

c. C

d. D



8
In some countries, octopus and snails (A) are considered (B) being great (C) delicacies (D) to eat.
Choose one answer.

a. A

b. B

c. C

d. D



9
Many dyslexics (A) have difficulty (B) to remembering the (C) sequence of letters in a word and in (D) distinguishing right from left.
Choose one answer.

a. A

b. B

c. C

d. D





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