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题库 / OG2016V-SC-87
Any medical test will sometimes fail to detect a condition when it is present and indicate that there is one when it is not.
a condition when it is present and indicate that there is one
when a condition is present and indicate that there is one
a condition when it is present and indicate that it is present
when a condition is present and indicate its presence
the presence of a condition when it is there and indicate its presence
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ab：there be句型，缺少主语；de：when it is not修饰indicate，应该如c修饰it is present
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