Word Forms
replacement replace replaceable
The movie director needs to find a ________ for the role.
replacement
Define and use in a sentence
rehearse
to practice something
a _______________approach
flexible, factor, employees
flexible
classify
teach group
group
What is the error?
Holding hands while they sleep keep sea otters from drifting apart.
keeps
concept conceive conceptual conceptually
The marketing team has a strong _________ for
their campaign.
concept
Define and use in a sentence
unique
special, one of a kind
a few _______________ago
basis, generations, personality
generations
negotiate
disagree bargain
bargain
What is the error?
Finding any live on Mars would be one of the biggest scientific discoveries of all time.
life
confidence confide confident confidently
Researchers are _________ that they will
find a genetic cause.
Define and use in a sentence
benefit
something that produces good or helpful results, useful
completely __________one's appearance
confidence, go over, transform
transform
concept
general idea detail
general idea
What is the error?
Scientists have begun mapping three giant cave in China.
caves
constant constantly
Successful farming often requires __________
temperatures.
constant
Define and use in a sentence
implement
to carry out or accomplish
a________of behavior
implement, pattern, risk
pattern
risk
danger pleasure
What is the error?
Students have a lot to manage between study, family obligations and work.
studying
threat threaten threatening threateningly
The black clouds looked ___________.
threatening
Define and use in a sentence
barrier
something that blocks a passage
something immaterial that impedes or separates
____________around in a circle
constitute, resident, spin
spin
accomplish
fail succeed
succeed
What is the error?
Lights come on when people enter or leave a home. But the lights turn off after a few minutes.
Lights come on when people enter or leave a home, but the lights turn off after a few minutes.
deliver delivery deliverable
There is no mail ________on Sundays.
delivery
Define and use in a sentence.
distraction
something that directs one's attention away from something else
teenagers _________a majority
constitute, procedure, resident
constitute
illustrate
hide show
show
What is the error?
Students encounter an incredibly amount of new vocabulary in English every day.
incredible
diversity diversify diverse
There is a lack of _______in the student body.
diversity
Define and use in a sentence
sufficient
enough to meet the needs of
__________important tasks
deliver, overcome, prioritize
prioritize
element
part whole
part
What is the error?
Some students solves this problem by using flashcards.
solve
exposure expose expository
Parents should _______ their children to
a wide variety of foods.
expose
Define and use in a sentence.
abandoned
to give up with the intent of never again claiming a right to or interest in
__________to handle the problem
deliver, overcome, ill-equipped
ill-equipped
obligation
responsibility need
responsibility
What is the error?
There is many reasons for their popularity.
are
obligation obligatory obligate
I think that citizens have an __________to vote.
obligation
Define and use in a sentence
endurance
the ability to withstand something difficult
take online ________
aspects, surveys, obligations
surveys
retention
lose keep
keep
What is the error?
In the Winter Olympics, one of the popularest sports in ice skating.
most popular
terror terrify terrifying
The idea of speaking in public fills many people
with ________.
terro
Define and use in a sentence
original
the first
discuss many _______of an issue
aspects, obligations, surveys
aspects
survey
lists questions
questions
What is the error?
Sugary drinking are harmful to child's teeth.
drinks, children's