Only in that way find out how this kind of animal lived and then finished the research on time. A.could they B.they could C.were they able to D.they were able to 【查看更多】
题目列表(包括答案和解析)
Only in that way _____ find out how this kind of animal lived and then finished the research on time.
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A. could they B. they could C. did they D. they were able to
