The proposals they put ______ at the meeting were ______much significance to our plan’s being carried out smoothly.A.out; ofB.up; forC.forward; ofD.down; for
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C解析他们在会上提出的建议对我们顺利实施这个计划有着重大的意义。put forward意思为“提出”; be of significance意思为 “有意义的；重要的”, be of +抽象名词, 相当于这个名词的形容词, 即此处相当于significant。