Choose the right variant of the verb 'to be':
1. Mr Brown and Mrs Smith in the shop.

2. Kate not in Prague last year.

3. My mum in the kitchen 3 seconds ago.

1. Mr Brown and Mrs Smith are in the shop

2. Kate wasn't in Prague last year

3. My mum was in the kitchen 3 seconds ago

a  great power  is a  country  that has the ability to exert its influence on a global scale. goverment of this country   has  economic capability, political stability   and military strength. today we can see a multinational forums like    the  european union  and the  group of eight. countries of g8  have  heavy responsibility for whole world because of their  nuclear weapons  and  large economies.the top of major powers in the world are expected to resolve tensions around the world and promote peace. i think everyone have to know:   significant   powers have existed throughout history, it is important part of our life, with  big powers we can   work out solutions to global problems together