Read the dialogue again.Are the sentences true or false ​

1)They will go to a dancing party next Friday.They will not go to a dancing party next Friday.Will they go to a dancing party next Friday?

2)Lana and Anna will travel to America soon.Lana and Anna will not travel to America soon.Will Lana and Anna travel to America soon?

3)Vera will swim in the sea tomorrow.Vera will not swim in the sea tomorrow.Will Vera swim in the sea tomorrow?

4)Anton will buy a new computer next year.Anton will not buy a new computer next year.Will Anton buy a new computer next year?

Первое задание Point out the sentence with the passive voice. Translate the sentences into Russian
1. The building is very old. It was built (passive voice, past simple) in 1840. Здание очень старое. Оно было построено в 1840 году.
2. The flat is so nice now. It has been cleaned (passive voice, present perfect) by somebody. Квартира стала такой хорошей (Квартира теперь такая хорошая - дословно). В ней кто-то сделал уборку.
Второе задание choose the correct form of passive.
1. The day before yesterday we were invited to the restaurant by Tom
2. The letter and the parcel will be posted tomorrow 
3. In Greece the Olympic Games were held once in four years