Составьте предложения с словосочетаниями (на ): to spoil the impression - расстроить кого-то из-за чего-то to have a chance to escape from - иметь надежду избежать чего либо to observe the law of co-existence - следовать определенным правилам поведения, которые избежать ссоры to do something at other people's expense - делать что-то, что нарушает чьи-либо права, независимость, комфорт to make a fuss about something - нервничать из-за несерьезных вещей, много о них говорить или пытаться сделать что-то, но без успешного результата to work out - сделать, придумать, развить

She spoiled my impression about that artist. 
He had a chance to escape from his own wedding.
I always observe the law of co-existence.
He likes gambling and making a profit at other people's expense. 
He is making fuss about nothing.
We haven't worked out the exact details of the event yet.

Everyone should show consideration when someone asks for the help
Everyone should be quiet and listen when the teacher explains a new subject and not to interrupt educational process 
We have to respect each other and to be friendly 
We have to help each other in a difficult moment
It is forbidden to smoke because it is harmful to your health.
Nobode can't sing, dance, talk at a lesson because it we will distract others
We can't forbid you to speak on the phone at breaks because parents can call you
It is forbidden to solve a problem with violence as it is necessary to be able to solve it structurally

It is important to appreciate those people who try to help us
Everyone should show consideration when someone asks for help
Everyone should be quiet and listen when when the teacher explains a new topic not to interrupt educational process 

We should respect each other and  be friendly 
We should help each other in a difficult situation
It is prohibited to smoke because it is harmful to your health.
It is not allowed to sing, dance, talk at the lesson because it  will distract others` attention
We can't forbid you to speak by phone during breaks because parents may call you
It is prohibited to solve a problem by violence because it needs solving