EX1: Complete each of the following sentences in such a way that it has the same meaning as the sentence printed before it

1, Dinner is served at eight

2, When was the radio invented ?

3, A lot of things are left in the subway everyday

4, Pens aren't sold at the bookstore

5, America was discovered in 1492

6, The electric bulb was invented by Thomas Edison

7, Great paintings are created by artists overnight

8, Portuguese is spoken in Brazil

9, The bank was robbed

10, Gold was discovered in California in 1848

11, I have been asked to join the English conversation club

12, The air wasn't polluted years ago

13, By whom was the radio invented ? 

1, they serve dinner at eight

=> Dinner is served at eight

2, when did someone invent the radio?

=> When was the radio invented ?

3, people leave a lot of things in the subway everyday

=> A lot of things are left in the subway everyday

4, they don't sell pens at the bookstore

=> Pens aren't sold at the bookstore

5, Columbus discovered America in 1492

=> America was discovered in 1492 by Columbus

6, Thomas Edison invented the electric bulb

=> The electric bulb was invented by Thomas Edison

7, artists  don't create great paintings overnight

=> Great paintings are created by artists overnight

8, they speak Portuguese in Brazil

=> Portuguese is spoken in Brazil

9, someone robbed the bank

=> The bank was robbed

10, someone discovered gold in California in 1848

=> Gold was discovered in California in 1848

11, someone has asked me to join the English conversation club

=> I have been asked to join the English conversation club

12, people did't pollute the air years ago

=> The air wasn't polluted years ago

mong anh chị cho em hay nhất ạ, em cảm ơn very muchhhhhhhh