A. had discovered B. had been discovered C. has discovered D. has been discovered
单项选择题Which of the following statement is INCORRECT
单项选择题I prefer () there doing nothing.
A. working than sitting B. to work than to sit C. working to sit D. to work rather than sit
单项选择题终身教育思想形成于20世纪60年代的欧洲,由( )首先提出。
单项选择题学生刚学英语时,对26个字母的记忆两头容易,中间难,这种现象的解释是( )。
单项选择题He tried many times to sneak across the border to a neighboring country,() caught each time.
A. having been B. only to be C. always being D. unfortunately