___ the danger of drunk driving, many drivers promised never to drive after drin

题型：河南省期中题难度：来源：

___ the danger of drunk driving, many drivers promised never to drive after drinking.  [     ]
A. To realize
B. To have realized
C. Realized
D. Having realized

答案

举一反三

— Have you got your result of the final?
— Not yet. I was told that the papers ______. [ ]
A. were not grading
B. have already been graded
C. were still being graded
D. have not grading

题型：0103 模拟题难度：| 查看答案

He must have gone out. I heard the noise of the door _____ when I was still in bed.[ ]
A. being locked
B. to lock
C. locking
D. having locked

题型：0113 期末题难度：| 查看答案

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

题型：0111 月考题难度：| 查看答案

_____ of danger in the street at night, she had to go home, with a friend _____ her.

[ ]
A. Warned, followed
B. Warning, following
C. Having warned, following
D. Having been warned, following

题型：0116 月考题难度：| 查看答案

_____ a written permission, he had to write another letter to the president of the university. [ ]
A. Not giving
B. Not having been given
C. Having not given
D. Having not been given

题型：北京期末题难度：| 查看答案