We found________ the problem.A it is difficult to solve B it difficult to answerA 应该选择哪一个呢?
问题描述：
We found________ the problem.A it is difficult to solve B it difficult to answer
A 应该选择哪一个呢?
答
选A answer question 和solve problem 是固定的
答
感觉都对啊
答
A answer针对question
答
应该选A。
problem应该用solve, 而不能用answer
希望能对你有帮助！
答
答案有问题.选B的话把is去掉.选A的话把answer改为solve.
答
选B。因为A中要把is改成was。
B对，it 做形式宾语，to answer the problem作真正的宾语。