The modern machine proved ______ in heart surgery.

The modern machine proved ______ in heart surgery. The modern machine proved ___ in heart surgery. 关于副词位置的英语题The modern machine proved _____ in heart surger.A. Walters underwent heart valve replacement surgery in english He underwent the open-heart surgery. The computer is ______ useful invention in the modern wored. 英语翻译Heart surgery couses the costw of general hospital care The engine is to a machine ______ the heart is to a man.A.wh ______ in a modern way the heart surgery was performed successfully正确,还是the heart s 英语翻译A:He went in for routine surgery on his heart.B:Was is s The worker is ______ in repairing the machine to notice my c