the experiment may take a few days to finish,but it's worth_
the experiment may take a few days to finish,but it's worth__it.
A.carring out B.sustaing C.devoting D.keep at
答案怎么回是D?be worth +doing的不是么?
A.carring out B.sustaing C.devoting D.keep at
答案怎么回是D?be worth +doing的不是么?
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1年前1个回答
你能帮帮他们吗