Who invented(发明) the sandwich?

Who invented tea?为什么不用Who did invent ter?
Who invented tea?为什么不用Who did invent ter?

---Do you know who invented ________ telephone? ---No. But it is really________ most important invention. A．/; the B．the ;/ C．/ ;a D．the ;a

Who invented tea?
文章:Did you know that tea,the most popular drink in the world (after water),was invented by accident?Although tea wasn't brought to the Western world until 1610,this beverage was discovered over three thousand years before that.According to an an cient Chinese legend,the emperor Shen Nong discovered tea when he was boiling drinking water over an open fire.Some leaves from a nearby bush fell into the water and remained there for some time.The emperor noticed that the leaves in the water produced a pleasant smell.Later he decided to taste the hot mixture.It wa quite delicious.And in this way,one of the world's favorite drinks was invented.
(1)What is the article about?
(2)When was it invented?
(3)Who was it invented by?
(4)How was it invented?

Do you kown who invented tea?In fact,tea,the most popular drink in the world ,was invented by accident ,According to an ancient Chinese legend ,the emperor SHEN NONG _〈1〉_ tea when he was boiling drinking water over an open fire.Some leaves from a nearby bush fell into the water and remained there for_〈2〉_,The emperor noticed that the leaves jin the water produces a _〈3〉_smell,Later he decided _〈4〉_the hot mixture,it was quite delicious.And _〈5〉_,one of the world's favorite drinks was invented .China is the home of tea ,_〈6〉_has more than 4000years history .Peoper throughout China drink tea daily,_〈7〉_the three major drink —tea ,coffee and coca ,tea is drunk by _〈8〉_people in the world .Tea from China ,along_〈9〉_silk and porcelain ,began to be known by the world over a thousand years ago and has been an important Chinese export _〈10〉_.1.A.invented B.found out C.discovered D.tried out 2.A.sometimes B.some times C.sometime D.some time 3,A.pleasant B.pleased C.bed D.terrible 4.A.not to taste B.to tasteC.tasting D.taste 5.A.by the way B.on the way C.in the way D.in this way 6.A.who B.which C.where D.whom 7.A.In B.ForC.OfD.By 8.A.the number of B.a number of C.a large number of D.a number of 9.A.betweenB.with C.except D.besides 10.A.at that time B.from then on C.since then D.since now 麻烦快,急

— Who invented ____

— Who invented _____ cell phone? — I don't know.Maybe _____ European.	[ ]
A.the; an B.the; a C./; / D.a; the