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 until the late Middle Ages glass became a major construction material.
A.major
B.the late
C.Not
D.glass became

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.
Rose didn’t mean insulting Jack, but he took her comments amiss and now will no longer talk to her.
A.insulting
B.took
C.amiss
D.talk to

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 amount of popular expressions in our language have interesting backgrounds.
A.A large amount
B.expressions
C.have
D.backgrounds

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 1983 Nobel Prize in Medicine was awarded to Barbara McClintock for her experiments with maize and her discoveries regardless the nature of DNA.
A.experiments with
B.regardless
C.discoveries
D.was awarded

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 worked hard so everything would be ready in time.
A.be
B.in
C.so
D.worked

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 assumption that smoking has bad effects on our health have proved.
A.that
B.effects
C.on
D.have proved

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.
Animals like frogs have waterproof skin that prevents it from drying out quickly in air, sun or wind.
A.wind
B.that
C.have
D.it

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.
In a survey of suburban homeowners, a lawn-mower was rated one of the most important equipments.
A.a lawn mower
B.equipments
C.In a survey
D.the

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.
Laura expected to give her mother a hand in housework at the weekend, but she did nothing.
A.expected
B.a hand
C.but
D.nothing

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.
Before the newspaper became widespread, a town crier had walked throughout a village or town singing along the news.
A.crier
B.singing along
C.had walked
D.widespread