Passive Voice (комплекс упражнений 3)

Make the sentences passive:
My sister has cleaned the room recently.
Mrs. Brown cooked a tasty cake yesterday.
We must write a test in English.
This storm will ruin our house.
They are building a new concert hall at the moment.
Bob should visit an eye specialist.
When we came home, our Granny had already baked delicious bread.
We were looking for our Granny’s glasses at that moment.
They usually pay us less than we expect.
A. Bell invented the telephone.
They have just found my kitten in the yard.
I didn’t know that they hadn’t mended my clothes.
I will send this letter tomorrow.
My friends were discussing a nice plan.
People should recycle plastic bottles.
The boys will have read the book by tomorrow.
The postman usually delivers newspapers in the morning.
We can pack our clothes after dinner.
Look! They are typing the documents no.
I will show you my room tomorrow.
Keys:
The room has been cleaned…
A tasty cake was cooked…
A test must be written…
Our house will be ruined…
A new concert hall is being built…
An eye specialist should be visited…
Delicious bread had already been baked …
Our Granny’s glasses were being looked…
We are usually paid less…
The telephone was invented …
My kitten has just been found…
My clothes hadn’t been mended…
This letter will be sent…
A nice plan was being discussed…
Plastic bottles should be recycled …
The book will have been read …
Newspapers are usually delivered …
Our clothes can be packed …
The documents are being typed …
My room will be shown …