(年北京市西城区高三5月二模试题)25. The report aims to explain how these conclusions ______.
A.were reached | B.had been reached | C.have reached | D.had reached |
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(年北京市西城区高三5月二模试题)25. The report aims to explain how these conclusions ______.
A.were reached | B.had been reached | C.have reached | D.had reached |