A robot-arm will hold the telescope___the astronauts to repair it A for B so that请问选择哪一个,这两个答案分别什么时候用,for后面叫什么句

a robot-arm from the endeavour will grab the telescopea robot-arm from the Endeavour will grab the telescope1：这里的 from the Endeavour 2:3:Endeavour 意思 A robot-arm will hold the telescope (for /so that)the astronauts to repair it.这两个答案选哪个? A robot-arm from the endeavour will grab the telescope and hold it 这里的from是什么用法,为什么不用of ,是不是from有种脱离的意思 A robot arm from the endeavour will grab the telescope and hold it whileA robot arm from the endeavour will grab the telescope and hold it while theastronauts make the necessary repairs.为什么这里用while.while不是加doing的吗 A robot-arm from the 'Endeavour'为什么这里要用from而不用of?有什么区别啊?robot-arm是属于the 'Endeavo Will there be a robot的意思 A robot-arm will hold the telescope___the astronauts to repair it A for B so that请问选择哪一个,这两个答案分别什么时候用,for后面叫什么句 repairs在句中是什麼成分,它的词性是什麼?while the astronauts make the necessary repairs.repairs在句中是什麼成分,它的词性是什麼?A robot -arm from the Endeavour will grab the telescope and hold it while the astronauts make a robot-arm from the Endeavour will grab the telescope. 请问为什么from前面不加is,is from不是一个词组吗,是来自的意思,可这句书上的原句却只有一个from,这是什么语法现象 Suppose you are a designer of a future robot,What kind of robot will your design? “will be +动词ing” 和“ will +动词”有什么区别?在新概念2 61课看到 “the shuttle endeavour will be sending up four astronauts to repair it 还有一句a robot -arm from the endeavour will grab the telescope and hold it I think every home will have a robot. There will be a robot.(改为否定句） 翻译：it will cost an arm and a leg This robot arm can lift and hold things.This robot arm can hold and hold things.那个对 英语书中l've lost my friend.He's a robot with a broken arm called Lo.中为什么用called I_____you_____to give the new robot a tryAhope,/ Bhoped,will choose Cexpect,/ Dexpected,will choose 应该说There will be a robot to do things for us 还是there will be a robot doing things for us?