The problem is difficult ______.

The problem is difficult ______. --the problem is too difficult ,can you show me ______ ----- The problem is too difficult for him ______ the problem is difficult ___ . The problem is difficult ________.3Q The problem is very difficult to ( ) The problem is () difficult for us() That problem is the most difficult ---- all 初二英语语法题1.Tim ______ out the difficult problem and he is very is it difficult ______(finish) ____(work) out the problem in the boy is c____ by the difficult problem. The problem is difficult ,but he worked it out____.