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