题目内容
Scientists are trying their best to_______ ways to treat the terrible disease caused by Ebola(埃博拉).
A. come up with B. look forward to
C. talk about D. give up
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题目内容
Scientists are trying their best to_______ ways to treat the terrible disease caused by Ebola(埃博拉).
A. come up with B. look forward to
C. talk about D. give up