1) when you are sure that something must happen or that something is true, you are 2) when you are not happy, you are 3) when you are quiet and peaceful, you are 4) when you are sad because you are not with other people, you are 5) when you need to rest or sleep, you are 6) you are when you are worry about what might happen. 7) when you are greater in height than the average person, you are

1) When you are sure that something must happen or that something is true, you are _confident. (уверенный) 
2) When you are not happy, you are _sad. (грустный)
3) When you are quiet and peaceful, you are _calm.(спокойный) 
4) When you are sad because you are not with other people, you are lonely._ - (одинокий) 
5) When you need to rest or sleep, you are tired._ (усталый)
6) You are _nervous/anxious (нервный, взволнованный) when you are worry about what might happen. 
7) When you are greater in height than the average person, you are _tall.(высокий)