15 câu hỏi
Choose the best answer A, B, C or D for each sentence
We're reading a _______ book this week.
differ
difference
different
differently
She gave him a _______ look. “Are you really sure?” she demanded.
challenge
challenger
challenged
challenging
The article was an excellent piece of _______ journalism.
investigate
investigative
investigation
investigating
The company needs to reduce its _______ on just one particular product.
depend
dependence
dependable
dependant
My grandpa's attitudes are very _______, considering his age.
modern
modernity
modernize
modernization
The sea bed _______ here to 5000 meters.
deep
deepens
deeper
depth
You've got to try to keep _______ as you grow older.
act
active
action
actor
He would never do anything to _______ the lives of his children.
danger
dangerous
endanger
endangered
If the product doesn't work, you are given the _______ of a refund or a replacement.
choice
choose
chooser
choosing
We saw a quick film showing the various stages in the _______ of glass.
produce
producer
products
production
You _______ be ashamed of yourselves.
could
should
did
would
The doctors are doing all that they _______, but she's still not breathing properly.
can
could
shall
might
We _______ to have agreed without knowing what it would cost.
shouldn’t
couldn’t
didn’t
oughtn't
He said he _______ see his brother the next day.
ought to
should
would
must
Cars _______ park in front of the entrance.
mustn't
didn’t have to
couldn’t
didn’t need






