the Passive voice

Those eggs of different colors are very artistic. - Yes, they ______ in Russia.

• painted

• were painted

• were paint

• were painting

Gold ______ in California in the 19th century.

• was discover

• has been discovered

• was discovered

• they discovered

All planes ______ before departure.

• will check

• will have checked

• will be checked

• will be checking

I wanted ______ by the head of the company, but it was impossible.

• to be seen

• being to see

• seeing

• to see

Where's the old chicken coop? - It ______ by a windsorm last year.

• was destroyed

• destroyed

• is destroyed

• destroy

What a beautiful dress you're wearing! - Thank you. It ______ especially for me by a French tailor.

• has made

• was made

• is made

• made

About 15,000 years ago, northern Wisconsin ______ under ice a mile deep.

• was buried

• had buried

• was burying

• buried

The man died because medical help was not summoned. A doctor should ______ immediately.

• have called

• be called

• called

• have been called

"When ______?" - "In 1928. "

• penicillin was invented

• did penicillin invented  

• was penicillin invented  

• did penicillin invent

I still cannot believe it! My bicycle ______ some minutes ago.

• was stolen

• was stealing

• stolen

• stole