Put the verb in the correct form of the Perfect Continuous. They (to celebrate) their wedding for the whole week already.

I (to play) the guitar for a long time when you phoned me.

I (to sleep) for only 2 hours when the alarm clock rang.

We (to sunbathe) on the beach for several hours by the noon.

Mary (to play) with her doll when her brother gave her a ball.

Tom (to speak) to the customer since lunch time.

Mark (to choose) a new telephone for an hour before he decided not to buy it.

She said she (to look) for us for an hour.

By tonight I (to keep) to a diet for 2 weeks already.

When he came, she (to cook) dinner for half an hour.​

They have been celebrating their wedding for the whole week already.

I have been playing the guitar for a long time when you phoned me.

I have been sleeping for only 2 hours when the alarm clock rang.

We have been sunbathing on the beach for several hours by the noon.

Mary has been playing with her doll when her brother gave her a ball.

Tom has been speaking to the customer since lunch time.

Mark  has been choosing a new telephone for an hour before he decided not to buy it.

She said she has been looking for us for an hour.

By tonight I have been keeping to a diet for 2 weeks already.

When he came, she has been cooking dinner for half an hour.​

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

pudding - пуддинг,redeemer - спаситель,  present - подарок. мне кажется, что у вас опечатка.