20 câu hỏi
Mathematics_____ very interesting to me.
are
have been
were
is
Down_____ for three days
the rain poured
did the rain pour
poured the rain
do the rain pour
Twenty dollars_____ the price.
are
is
being
were
A number of graduates_____ scholarships from this department.
have received
has received
are received
receives
Pollution together with water erosion_____ its toll on the building.
are taking
is taking
have taking
have taken
Most of the rooms in the hotel _____ air-conditioning.
has
having
have
are
A few_____ the test.
have failed
has failed
is failing
failing
Under the tree_____ full of food.
a basket was
was a basket
are a basket
were a basket
Both viruses and genes_____ made from nucleoproteins.
are
is
were
has been
Coffee contains caffeine, and so_____
tea did
does tea
it does
tea does
Mary, accompanied by her brother on the piano, _____ very well received at the talent show yesterday.
was
were
have been
has been
The smallest flying dinosaurs _____ about the size of a robin.
was
are
have
been
My new pair of pants _____ at the cleaners.
is
are
be
have been
Out_____ the bird from its tiny cage.
did the bird fly
fly the bird
did the bird fly
flew the bird
The police_____ on the alert for the escaped convict.
are
be
can
been
I'm happy that everything_____ in its place.
are
been
is
have
One of my best friends_____ five credit cards.
have
has
does
do
_____ an emergency arise, call 911.
Can
Does
Should
Will
There_____ never been an environmental disaster of this magnitude.
has
have
are
is
The news_____ quite alarming.
are
have
was
were
