Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
The bones of the elderly are more prone to fractures than of young people.
A.to
B.of
C.the elderly
D.more

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
She said her father that she would go shopping with him the following day.
A.him
B.that
C.would go
D.said

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Not only my sister plays the guitar well but she is also a good pianist.
A.Not only my sister plays
B.good pianist
C.well
D.is also

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Most people consider it women's responsible to take care of children and do housework.
A.Most
B.responsible
C.of
D.do

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
They have made a lot of progress until the country became independent.
A.a lot of
B.until
C.became
D.independent

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
It was in 1971 that transatlantic supersonic transportation became commercially availability.
A.that
B.supersonic
C.became
D.availability

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
It is important that you turned off the heater every morning before you leave for class.
A.before
B.turned off
C.It
D.leave for

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Physics and mental exercise has been found to be beneficial for our brains, but scientists have now found it could also improve the learning ability of our children.
A.Physics
B.has been
C.it
D.learning ability

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
The bitcoin system created in 2009 by an enigmatie person named Satoshi Nakamoto.
A.The
B.created
C.enigmatie
D.named

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
A large number of entries has updated in the latest edition of the encyclopedia recently.
A.large
B.has updated
C.of
D.recently