题目内容：
I have heard both teachers and students______ well of him.
A.to speak
B.spoken
C.to have spoken
D.speak
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：
选择题：I have heard both teachers and students______ well of him.
- 题目分类：教师招聘
- 题目类型：选择题
- 号外号外：注册会员即送体验阅读点！
Among the most popular books being written today are those which are usually cla
Among the most popular books being written today are those which are usually classified as science f
I recently went to a charity party. At the end of the visit our host told us tha
I recently went to a charity party. At the end of the visit our host told us that the following Mond
All the donated money should be made full usethe homeless people.
All the donated money should be made full usethe homeless people.
设集合S={1、2、3、4}，则满足f(f(x))=x的自然映射f:S S的个数是（ ）
设集合S={1、2、3、4}，则满足f(f(x))=x的自然映射f:S S的个数是（ ）
如图，Rt△ABC中，AB=6，BC=4，∠B=90°，将△ABC折叠，使A点与BC的中点D重合，折痕为MN，则线段BN的长为__________。
如图，Rt△ABC中，AB=6，BC=4，∠B=90°，将△ABC折叠，使A点与BC的中点D重合，折痕为MN，则线段BN的长为__________。