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精彩回答
In the north of China, leaves usually fall when a ________ comes.
1年前
台州某公司通过提取玉米中的某种营养成分,加工成可以承受110℃高温的“玉米杯”.玉米杯在自然环境中降解的产物只有水和二氧化碳,既安全又环保.玉米杯加工流程如图所示.
1年前
I’ve just heard that the lecture (讲座)to be given by Ma Yun,the Alibaba CEO,has been cancelled(取消).
1年前
1年前
My daughter ____ (finish) her homework before I came back home.
1年前