Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Economics _______ at high school.
A.is not taught
B.are not taught
C.do not teach
D.does not teach

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Of all high school courses, mathematics _______ to be difficult.
A.consider
B.have considered
C.are considered
D.is considered

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The fishing boat sank but luckily all the crew _______ able to save themselves.
A.have been
B.is
C.are
D.were

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The news from the destroyed villages _______ so bad.
A.was
B.were
C.are
D.have been

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Measles _______ a dangerous disease for pregnant women.
A.have
B.are
C.is
D.were

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
May people claim that health _______ more important than wealth.
A.are
B.is
C.have been
D.has been

Through history, Vietnam expended to the_______
A.south
B.north
C.east
D.west

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Learning foreign languages _______ a lot of time.
A.require
B.requires
C.have required
D.are requiring

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Women _______ not well-treated in former days.
A.is
B.are
C.were
D.was

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Children _______ good care from their parents.
A.need
B.needs
C.are needing
D.is needing