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come up

来源:学生作业帮 编辑:神马作文网作业帮 分类:英语作业 时间:2024/11/12 23:47:23
come up
come up
come up with
想出(计划、回答);作出(反应);产生
He couldn't come up with an answer.
他答不上来.
He couldn't come up with an appropriate answer just at the time.
那时他想不出一个合适的答案.