【单选题】【消耗次数：1】
The president has an ____________ secretary.
①
extensive
②
efficient
③
effective
④
expensive
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相关题目
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I asked the secretary if there were ______ tickets but she had only the expensive ______.
①
one, ones
②
any, one
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some, ones
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①
Use simple instructions and make them suit the comprehension level of the students
②
Use the mother tongue only when it is necessary
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