TestMagic Grammar Practice:
Tough ones!
These grammar exercises are designed to
reinforce the vocab you have just learned and certain "TOEFL
traps."
When you are done, click here
for the answers.
Note: The buttons will
NOT give you the answers. You will need to check your answers by
yourself.
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| 11. |
Not having yet
developed a system of agriculture, early hominids spent a large portion
of every day ------.
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| 12. |
------, the
mother of a litter of pups will typically care for her brood
until it is able to sustain itself.
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| 13. |
------ of all
animals, homo sapiens compensates
for this weakness by having an exceptional
capacity for memory and reasoning.
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| 14. |
In effective
learners, a deficit in one learning
ability, say, in auditory processing, ------ another area, say, in
spatial reasoning.
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| 15. |
An effective army
------ its enemy in the early hours, while the enemy is presumably
sleeping.
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| 16. |
If an instrument penetrates
the skin and exposes the vulnerable flesh ------, infection is possible
if the wound is not treated.
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| 17. |
In several
studies done on children abandoned in the wild, researchers found apes
have ------ the young helpless children as they would have their own
young.
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| 18. |
------ a moment
in time, it also preserves it for many decades to come.
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| 19. |
The apparent
rotation of the Sun around the Earth mislead early astronomers, who
believed ------ the Sun that was the center of our solar system.
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| 20. |
The common tick
is one of nature's most patient parasites,
------ potential host to pass by.
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| 21. |
Not having yet
developed a system of agriculture, early hominids spent large portion
of every day foraging for
food.
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| 22. |
Natural
caregiver, the
mother of a litter of pups will typically care for her brood
until it is able to sustain itself.
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| 23. |
Among the
weakest of all
animals, homo sapiens compensates
for this weakness by having exceptional
capacity for memory and reasoning.
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| 24. |
In effective
learners, deficit in one learning
ability, say, in auditory processing, can be overcome by
compensating the weakness in another area, say, in
spatial reasoning.
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| 25. |
Effective army
will generally raid its enemy in the early
hours of the morning, while the enemy is presumably
sleeping.
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| 26. |
If an instrument penetrates
the skin and exposes the vulnerable flesh to potentially harmful bacteria, infection is possible
if wound is not treated.
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| 27. |
In several
studies done on children abandoned in the wild, researchers found apes
have tendency to rear the young helpless children
as they would have their own
young.
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| 28. |
Not only does
a photograph capture moment
in time, it also preserves it for many decades to come. |
| 29. |
Apparent
rotation of the Sun around the Earth mislead early astronomers,
who
believed it was the Sun that was the center of our solar system.
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| 30. |
The common tick
is one of nature's most patient parasites,
able to wait up to two years for potential host to
pass by.
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| Answers |