Пожалуйста, помогите!!! Turn from Active into Passive 1. Scientists might discover a cure...

Question

Пожалуйста, помогите!!!
Turn from Active into Passive
1. Scientists might discover a cure for cancer.
2. She offered me a cup of tea.(двумя способами)
3. The ancient greeks built the acropolis
4. They gave him a watch when he retired (двумя способами)
5. They have shown her the plans for the house (двумя способами)
6. They claim that this diamond is the largest in the world.

Answer 1

1 a cure for cancer was discovered by the scientists.
2 I was offered a cup of tea
a cup of tea was offered me
3the acropolis was build by the ancient Greeks
4 he was given a watch when he retired
a watch was given him
5 she has been shown the plans for the house
the plans for the house have been shown her
6 that diamond was claimed the largest in the world