两道英语题,希望快点告诉答案!1 His son had much difficultly ______ _______ _______ the problem.他儿子很难解出这道题.2 This is ______ ________ ________ that he has visited China. 这是他第二次访问中国. 急求!谢谢!
问题描述：
两道英语题,希望快点告诉答案!
1 His son had much difficultly ______ _______ _______ the problem.他儿子很难解出这道题.
2 This is ______ ________ ________ that he has visited China. 这是他第二次访问中国. 急求!谢谢!
答