the operation,which lasted for over four hours,proved to be

the operation,which lasted for over four hours,proved to be the operation lasted for over four hours.that's how long it_ the operation proved to be very difficult.it proved to be __ The operation proved to be very difficult这句中的prove是什么意思?它和Th 新2第76课 《木乃伊》：the operation 【proved】to be very hard! The fire lasted about four hours _the firefighters could con The Monkey King lasted for up to two hours.同义句 the meeting lasted two hours The news____was spreading proved to be incorrect long for the summer to be over the exam proved to be quite填空for all the students 英语翻译The exam proved to be quite challenging for all the stud