up to 250 words是要求250以上还是以下啊

It's time to get up.to get up是定语还是补语啊? following是形容词,意思是“以上的”还是“以下的”? 是stay up to do还是stay up doing use up to three words for each space是啥意思 是be up to sb to do还是doing? 请问come up to the front of class 中,是come up 一组?还是up to 一组? 英语翻译是Get up to do 还是什么 is going to get up是动词还是名词? 是say sth in words 还是 through words 还是 with words?求三个介词区别 是make up ones mind （in)doing还是make up ones mind to do? 在…温度以上是用over还是above 在…温度以下是用under还是below? 赤壁英语简介要求80字以上,100字以下,