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【参考答案】

of fuels→for
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单项选择题
A．a press secretaryB．an entertainerC．a congressmanD．a popular singer
A．a press secretary
B．an entertainer
C．a congressman
D．a popular singer
单项选择题
A．Neither of the two national exams is compulsory.B．Either of the two national exams is compulsory.C．Both of the two national exams are compulsory.D．They are not required by any school in the United States.
A．Neither of the two national exams is compulsory.
B．Either of the two national exams is compulsory.
C．Both of the two national exams are compulsory.
D．They are not required by any school in the United States.
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