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.
By the end of the 21st century, scientists are discovering the cure for the common cold.
A.the end of
B.21st century
C.are discovering
D.for

________ (41)
A.caused
B.allowed
C.made
D.done

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Have you had any news about that __ _ you applied for yet?
A.work
B.job
C.career
D.vacancy

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Hellen usually ___ her childhood with great pleasure.
A.talks back to
B.thinks back on
C.turns back to
D.falls back on

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Many students ___ school to set up their own businesses and become self-employed.
A.move out of
B.cut down on
C.drop out of
D.drop in on

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
By the time Ryan finally graduated from high school, he ___ five different schools because his parents move frequenlty.
A.attended
B.was attending
C.had attended
D.has been attending

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Some shops advertise their products and services in the newspaper to ___ customers.
A.encourage
B.attract
C.interest
D.promote

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Unless you ___ me about Sue’s new bobhair, I wouldn’t have noticed.
A.had told
B.hadn’t told
C.told
D.didn’t tell

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It seems that ___ my uncle travels abroad he forgets to take something he needs.
A.whenever
B.by the time
C.not until
D.however

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
A ___ described what he saw moments after the car bomb had exploded.
A.passer-by
B.by-passer
C.pass-by
D.by-pass