A-A+ 6. We must_______ a plan to improve your math. 2022-08-06 08:18:46 问答库 阅读 177 次 问题详情 6. We must_______ a plan to improve your math.A. pick up B. catch up with C. come up with D. make up 参考答案 正确答案:C6.C【解析】come up with“想出,提出”。故答案为 C。