A) 6.4.7.1 Read the text and answer the questions.w?1 Why couldn't people build really tall buildings in the past?2 When could people start building skyscrapers?3 How did the invention of the elevator change the history of buildings?4 Why did people want to build skyscrapers in cities?5 Why are tall buildings called 'skyscrapers'?6 How fast did the Empire State Building grow?7 What can you find in the Triumph of Astana in Kazakhstan?k byes​

do - did - done
think - thought - thought
make - made - made
live - lived - lived
do - did- done
eat - ate - eaten
dance - danced - danced
hit - hit - hit
take - took - taken

 Task 2.

Past Simple: He asked a question. She spoke Germany. They were in their room. They didn't drive the car. Alex didn't forget his homework.
Present Perfect: He has asked a question. She has spoken Germany. They have been in their room. They haven't driven the car. Alex hasn't forgotten his homework.
 Task 3.
Past Simple: Did you finish homework? Did Kate kiss Mark? Did waiter bring the juice? Did he pay the bill? Did you write a song?
Present Perfect: Have you finished your homework? Has Kate kissed Mark? Has waiter brought the juice? Has he payed the bill? Have you ever written a song?

do - did - done
think - thought - thought
make - made - made
live - lived - lived
do - did- done
eat - ate - eaten
dance - danced - danced
hit - hit - hit
take - took - taken

Task 2.
Past Simple: He asked a question. She spoke in Germany. They were in their room. They didn't drive the car. Alex didn't forget his homework.
Present Perfect: He has asked a question. She has spoken in Germany. They have been in their room. They haven't driven the car. Alex hasn't forgotten his homework.

Task 3.
Past Simple: Did you finish homework? Did Kate kiss Mark? Did waiter bring the juice? Did he pay the bill? Did you write a song?
Present Perfect: Have you finished homework? Has Kate kissed Mark? Has waiter brought the juice? Has he payed the bill? Have you ever write a song?