1
Hinder or impede the movement or progress of. To be ........ ........ something.
2
To ........ something ........ means to cause it to happen.
3
If people in authority .......... ........... on a group of people, they become stricter in making the group obey rules or laws.
4
If a discussion, relationship, or system ......... .........., it fails because of a problem or disagreement.
5
If you ............ ........... a threat, task, or instruction, you do it or act according to it.
6
If something such as war, fighting, or disease ......... ......... , it begins suddenly.
7
If you ....... ........ your weapons, you stop fighting.
8
If you .......... ............ something, you demand that it should happen.
9
Don't let future generations _ _ it.
10
If you .......... ............ offer or a challenge, you accept it.
11
Sign a contract officially agreeing to do a job or course of study.
