Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.Mai, Lan and Nga are 17, 19, 20 years old ________.
A.separately
B.respectively
C.independently
D.respectfully

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.During the boss’s____________his assistant took over.
A.vanishing
B.disappearance
C.absence
D.loss

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.If you ____ in behaving in this way, you will bring yourself nothing but trouble.
A.persist
B.continue
C.decide
D.react

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.If it’s raining tomorrow, we shall have to ______ the match till Sunday.
A.put off
B.call off
C.keep on
D.carry out

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.Jane enjoyed the party, but as____________Mark, he was simply bored.
A.for
B.by
C.about
D.from

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions._______ of the shop, my friend came in.
A.Coming out
B.On coming out
C.When coming
D.As I came out

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions._______ in large quantities in the Middle East, oil became known as black gold because of the large profit it brought.
A.That when discovered
B.Discovered
C.Discovering
D.Which was discovered

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.We are considering _______ for the coming New Year.
A.to have redecorated our flat
B.having redecorate our flat
C.to have our flat to be redecorated
D.having our flat redecorated

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.Peter ______ opened the door of the room, wondering what he might find.
A.cautious
B.cautiously
C.cautional
D.cautionally

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The use of computers aids in teaching, _______ the role of teachers is still very important.
A.although
B.yet
C.so that
D.because