Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
Everybody considers it is hard to reach to the level of （ ） by Einstein. (accomplish)
【正确答案】：ACCOMPLISHMENT
【题目解析】：
根据前文the level of 后面加名词，accomplish的名词形式为accomplishment，且符合句意。句意：每个人都认为爱因斯坦的成就很难达到。