杭州交通信息网比亚迪唐100七座多少钱:关于英语的！
来源：百度文库 编辑：杭州交通信息网 时间：2024/04/28 16:58:43
Sometimes the new classes________fast,but sometimes they were very slow and then the teacher had to repeat many times. A.learned B.learning C.learn D.were learned
选哪个啊！learn有被动语态吗？
Miss Ding was a teacher at a school for boys and girls .She taught chemistry and physics form the lowest to the highest classes in the school.这是它前面的一句话！
A.learned
B.learning
c.learn
D.were learned
重要的是说明原因
选哪个啊！learn有被动语态吗？
Miss Ding was a teacher at a school for boys and girls .She taught chemistry and physics form the lowest to the highest classes in the school.这是它前面的一句话！
A.learned
B.learning
c.learn
D.were learned
重要的是说明原因
根据下文，我们可以判断出这句话的时态是一般过去时，故应该选择 A.learned。而全局并无被动语态的情况出现，所以本句与被动语态无关。
learned
、
选A。learned. 这是一句一般过去时的句子。联系前后文，后面的were very slow 是be+形容词的过去时形式，而空白处的则为did（即动词过去时表示）形式。这样前后才可对应。