根据句子含义填入正确的单词:It is d____ to solve the problem.
问题描述:
根据句子含义填入正确的单词:It is d____ to solve the problem.
答
difficult 解决这个问题较困难
根据句子含义填入正确的单词:It is d____ to solve the problem.
difficult 解决这个问题较困难