We have ______ our techniques considerably since the work be

We have ______ our techniques considerably since the work be Though we have been successful in our work so far,we must be 2.We have been friends since ______. ______ the cooperative spirit of our group,we have achieved We should be devoted to our work. Share with them some of the techniques you have found to be 英语翻译The techniques for welding titanium are,have to be actua -()have you lived in shanghai?-Since we ()work here. They have ______ since the factory opened. If we have robots,we can finish the work with ______ people since we have done our homework now对吗 初中英语the storm ___（be)over and we can go on with our work now