20 CÂU HỎI
Choose the best answer to complete the following sentences.
People should be told about the things that threaten the safety of ____ so that they can avoid doing them.
A. the wild
B. wildness
C. wild life
D. wildlife
____ is a branch of Natural Science, and is the study of living organisms and how they interact with their environment.
A. Biology
B. Biological
C. Biologist
D. Biologically
Land erosion is normally caused by widespread _________.
A. forest
B. forestation
C. deforestation
D. deforest
A/ an ____ species is a population of an organism which is at risk of becoming extinct.
A. dangerous
B. endanger
C. endangered
D. endangerment
Only a few of the many species at risk of extinction actually make it to the lists and obtain legal ____.
A. protect
B. protection
C. protective
D. protector
If a boss wants to have a well-qualified staff, he should have to pay his employees _______.
A. appropriate
B. appropriately
C. appropriation
D. appropriating
Are you sure that boys are more _______ than girls?
A. act
B. active
C. action
D. activity
Children who are isolated and lonely seem to have poor language and ________.
A. communicate
B. communication
C. communicative
D. communicator
John cannot make a _______ to get married to Mary or stay single until he can afford a house and a car.
A. decide
B. decision
C. decisive
D. decisively
It was such a boring speech that I felt _________.
A. asleep
B. sleep
C. sleepy
D. sleepily
Advanced technology can last our _______.
A. long
B. length
C. longer
D. longevity
My mother used to be a woman of great _______, but now she gets old and looks pale.
A. beauty
B. beautiful
C. beautifully
D. beautify
As an _______, Mr. Pike is very worried about the increasing of juvenile delinquency.
A. educate
B. education
C. educator
D. educative
He has been very interested in doing research on _______ since he was at high school.
A. biology
B. biological
C. biologist
D. biologically
My parents will have celebrated 30 years of _______ by next week.
A. marry
B. married
C. marriageable
D. marriage
They had a ______ dinner last night and she accepted his proposal of marriage.
A. romance
B. romantic
C. romantically
D. romanticize
He is not really friendly and makes no attempt to be _______.
A. society
B. social
C. socialize
D. sociable
She sent me a _______ letter thanking me for my invitation.
A. polite
B. politely
C. politeness
D. impoliteness
The more _______ and positive you look, the better you will feel.
A. confide
B. confident
C. confidently
D. confidence
Smoke, dirt and noise are all kinds of ___.
A. pollute
B. polluting
C. pollutant
D. pollution
