Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It turned out that we ______ rushed to the airport as the plane was delayed by several hours.
A.hadn’t
B.should have
C.mustn’t
D.needn’t have

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Snow and rain ______ of nature.
A.are phenomena
B.is phenomena
C.is phenomenon
D.are phenomenon

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
______ number of boys were swimming in the lake, but I didn’t know ______ exact number of them.
A.A/the
B.The/an
C.The/the
D.A/an

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.
Since vitamins (A) are contained (B) in a wide (C) variety of foods, people seldom (D) lack of most of them.
A.are
B.in a
C.variety of
D.lack of

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.
Food prices (A) have raised so (B) rapidly in the past few months (C) that some families have been forced to alter (D) their eating habits.
A.have raised
B.rapidly
C.that
D.their eating habits

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
A.obligatory
B.geographical
C.international
D.undergraduate

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
A.initiate
B.substantial
C.attention
D.particular

A.if only
B.as
C.unless
D.since

A.on
B.to
C.at
D.in

A.sudden
B.suddenly
C.abruptly
D.promptly