问题描述：
is helpful.He always ______ good solutions to our probelms.
Paul is helpful.He always ______ good solutions to our probelms.A)ends up B)stays up C)makes up D)comes up with、
最好更我说一下ABCD各是什么意思
Paul is helpful.He always ______ good solutions to our probelms.A)ends up B)stays up C)makes up D)comes up with、
最好更我说一下ABCD各是什么意思
问题解答：
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