ВЫБРАТЬ ОДИН ВАРИАНТ!!
There were lots of/a little/much people at the conference.
Evere/few/all of the ideas are fantastic!
Any/many/much of Thomas Edison`s inventions failed.
Jim spends many/a good deal of/several time checking his equipment.
Only a few/no/any e[plorers attempt to reach the Noryh Pole.

все ваши предложения в прошедшем времени,поэтому используем past perfect passive.

they said the medicine had been prescribed by the doctor.

  he understood that the house had been robbed by the thieves.

  she said he had been seen the night before with a pretty girl in the club.

  he said that his walkman had been given to him by his mother as

in ukraine and russia, a particular dragon-like creature, zmey gorynych   has three heads, is green, walks on two back paws, has small front paws, and spits fire. according to one bylina, zmey gorynych was killed by dobrynya nikitich. zmey corynych is also associated with other evil creatures  such as   baba yaga and koshey the deathless. they are the main part of any russian fairytale.  but brave and smart men like ivan the fool and others kill them and save their beautiful princess.