Despite barriers and hardships，they ______ the research on cloning tissues. A. come up with B. catch...
2022-10-03 09:14:44 28次 江苏省牛津译林版英语Module 5 Unit 3 test3 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Despite barriers and hardships，they ______ the research on cloning tissues.
A. come up with B. catch up with
C. push ahead with D. put up with
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