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.
Genes have several alternative form, or alleles, which are produced by mutations.




A.several alternative
B.form
C.which
D.produced by

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.
Body language is quiet and secret, but most powerful language of all.




A.Body language
B.and secret
C.most
D.of all

A.capture
B.poacher
C.gazelle
D.climax

She felt alone and ______(friend)




A.friendless
B.friendliness
C.friendship
D.friendly

__________ (72)




A.put forward
B.finish off
C.turn out
D.bring about

A.magazine
B.behavior
C.possession
D.experience

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 room is such dirty that it needs cleaning immediately.




A.such
B.needs
C.cleaning
D.immediately

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.
He made it clear once more that the missed books were to be received and brought to him.




A.made
B.clear
C.the missed
D.to be received

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.
Digital clocks, however precise, they cannot be perfectly accurate because the earth’s rotation changes slightly over years.




A.they
B.the
C.perfectly
D.slightly

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.
To turn on the light, I was surprised at what I was.




A.To turn on
B.was
C.at
D.what