Only until very recently （ ）possible that grammarians are able to make accurate Statements about the rules of some languages.

A.has it been B.it has been C.was it D.it was

What does his/her feedback focus on if a teacher’s comment is “John, it would be much better if you have given more details!” ?

叙事长诗《唐璜》将早在欧洲流行的传说加以改造，把主人公从一个纨绔子弟变成善良的热血青年，通过其奇特、复杂的经历，描述了当时欧洲的社会生活。这部作品代表了19世纪英国诗歌的最高成就，该诗作者是（）。

When a teacher says “What do you mean by that?”,he/she is asking the studentfor （ ）.

简述实施榜样教育的基本要求。

班主任李老师在利用现代通讯方式联系家长的同时，坚持定期家访，研究学生个性特点，制定班级管理规则。对李老师的做法，下列说法不正确的是()