C
thousand 表示千时，无论表示几千，thousand 后都不加s，而thousands of，表示成千上万的，故选C
More than twenty_____students are having an important exam a
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相关问题
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解释句子 there are more than twenty students here
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选择并说明理由more than one student (has have) failed the exam
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we think that a...are more important than
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You are more important than anything For
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your friend are more important than ___angry
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You are _______ twenty—two . You should have more test . A．
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Students usually feel _____ when they have an exam. [ &
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more than students are girls什么意思
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_____ an important decision more on emotion than on reason,
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You can have days ______ more or fewer than twenty-four hour