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TOEFL EXERCISES 1
1. Dinosaurs are classified as reptiles, although some appear to have been warms-blooded
A B C D
Answer : B as reptiles
It should be : as reptile
Reason : because already "dinosaurs"
2. Every fuel has their own particular temperatureat which it begins to burn.
A B C D
Answer : D it begins
It should be : begin
Reason : no need to use S
3. The hormone insulin controls by the amount of sugar in the blood which
A B C
provides energy for the body.
D
Answer : B the amount of sugar
It should be : the amount of sugars
Reason : need to use s
4. Pelican Island in Florida and Oregon Islands in Oregon are wildlife refugees.
A B C D
Answer : c.oregon islands
It should be : the Oregon islands
Reason : the definite article 'the' should not be omitted from the name of a plural island group.
5. When the island of Surtsey was eighteen months old a first leafy green plant appeared
A B C D
Answer : a. the island
It should be : the islands
Reason : writing islands always use the letter 's' at the end of the word
6. Octopuses have not only large brains and also awell developed nervous system.
A B C D
Answer : a.octopuses
It should be : the octopuses
Reason : To call something at the beginning of a better sentence begins with the word "the"
7. Symptoms of mild vitamin C deficiency may be weakness, irritability, losing weight,
A B C
and apathy.
D
Answer : d.apathy
It should be : apathys
Reason : must use s
8. Around 1750, electricity experiments became populartity as entertainment at the court
A B C D
of the French King Louis XV.
Answer : C populartity
It should be : popular
Reason : In this case the popular word is better
9. In 1780, Italian scientist Luigi Galvani mistakenconcluded that frogs’ legs contain
A B C
electricity.
D
Answer : b. mistaken
It should be : has made a mistake
Reason : better to use "has made a mistake"
10. Electricity produced by nature is called staticelectricity because it exerts a forceful
A B C
When it is stationary
D
Answer : c.forceful
It should be : forcefull
Reason : wrong if its one l
11. In the 1931 Winter Olympic many competitorswere prevented from to participant
A B C
because of the economic depression
D
Answer : C to participant
It should be : participate
Reason : better to use “participate”
12. Mount St.Helens, a volcano in Washington state in the United States
A B C
erupted in May 18, 1990
D
Answer : b in Washington state
It should be : at Washingoton state
Reason : because it states the place
13. The young emperor chick stands in front of one of it parents to be protected from
A B C D
the cold.
Answer : c. it
It should be : their
Reason : because the parents are not objects
14. Soya beans contain not only vitamins and also important minerals.
A B C D
Answer : d.important
It should be : minerals
Reason : tno need to wear important
15. Navajo Indians are far more numerous today as they were in the past.
A B C D
Answer : a.navajo indians
It should be : the Navajo indian
Reason : the word must be in the mention of a group
