欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

14、So difficult _______ that no one could ______ a good solution to it．      

A．was the problem; come up with                   B．the problem was; come up with

C．the problem was; put up with                       D．was the problem; put up with

14、A

請在這里輸入關(guān)鍵詞：
相關(guān)習題

科目：高中英語 來源： 題型：

So difficult _______ that no one could ______ a good solution to it．      

A．was the problem; come up with                   B．the problem was; come up with

C．the problem was; put up with                       D．was the problem; put up with

查看答案和解析>>


同步練習冊答案