Every Monday morning, students in our school would stand at atten_英语解答

Every Monday morning, students in our school would stand at attention,
watching the national flag ______.
A. raising B. rising C. being risen D. being raised
答案是D,请问B为什么不对

人气：170 ℃　时间：2020-04-18 21:30:10

解答

选D being raised
解析：因为国旗是不会自己升起的,是被升起的,所以要用被动语态.
Every Monday morning,students in our school would stand at attention,watching the national flag being raised．
每周一早晨,我们学校的学生会立正观看升国旗.