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