In 1948, three American scientists invented ____ transistor, which is ____ small electronic device to control an electric current.
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the; a
B
a; a
C
the; the
D
a; the
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He wrote ______ song, which turned out to be rather popular with ______ young.
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the; the
B
a; 不填
C
a; the
D
the; 不填
Color shapes our view of __world and it may have ___far more influence on our lives than many of us realize.
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a; a
B
the; /
C
the; the
D
the; a
James became ________ King of England and Wales and ________ King managed to unite the three countries peacefully in the end.
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the；the
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a；the
C
/；the
D
the；/
Students should be encouraged to use _____ Internet as _________ resource.
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A
不填; a
B
不填; the
C
the; the
D
the; a
Carl is studying _____ food science at college and hopes to open up _____ meat processing factory of his own one day.
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A
/; a
B
/; the
C
the; a
D
the; the