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
Submit
2
Animals ___ on Earth for at least 700 million years.
Choose one answer.
a. living
b. lived
c. have lived
d. have been lived
Submit
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
Submit
4
Some fish ___ distortions of electrical field through special receptors.
Choose one answer.
a. sense
b. are sensing
c. are sensed
d. senses
Submit
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
Submit
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
Submit
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
Submit
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
Submit
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
Submit