题目内容
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[主观题]
—She‘sbrokenherarmagain.—Again?I______she_______everbrokenitbefore.A.don‘tknow;hasB.didn’t
—She‘s broken her arm again. —Again? I ______ she _______ ever broken it before. A. don‘t know; has B. didn’t know; had C. didn‘t know; has D. hadn’t know; would
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