Question

 Rewrite the text using the passive where possible. Make sure the words underlined do not appear.

*Nobody* knows exactly when *someone* invented gunpowder. *People* know for a fact that the Chinese made rockets and fireworks long before *people* used gunpowder in Europe, which occurred at about the beginning of the thirteenth century. *We* generally believe that gunpowder brought to an end the 'Age of Chivalry', since anyone with a firearm could bring down a mounted knight. In fact, *people* did not develop efficient firearms until the sixteenth century. *They* used gunpowder mainly in siege cannon when *people* first introduced it. Later they used it in engineering work and in mining, but *they* found that it was extremely dangerous. Modern explosives have now replaced gunpowder, but *we* still use it for making fireworks, just as the Chinese did.

It îs not known exactly........​

Answer 1

Răspuns:

It is not known exactly when gunpowder was invented. It is known for a fact that the Chinese made rockets and fireworks long before gunpowder was used in Europe, which occurred at about the beginning of the thirteenth century. It is generally believed that gunpowder brought to an end the Age of Chivalry, since anyone with a firearm could bring down a mounted knight. In fact, efficient firearms were not developed until the sixteenth century. Gunpowder was used mainly in siege cannon when it was first introduced. Later, they used it in engineering work and in mining, but it was found that it was extremely dangerous. Modern explosives have now replaced gunpowder, but it is still used for making fireworks, just as the Chinese did.