Choose the correct answer. please hel

1 Charles Dickens, the novelist, until early in the morning, and then for long walks across London. *
3 points
use to go and went
used to writego
2 William Shakespeare in some of his own plays. *
3 points
used to play
was playing
3 The novelist Marcel Proust in a special soundproof room. *
3 points
is used working
used to work
4 We about Machu Picchu for over a century now. *
3 points
have known
used to know
5 Archaeologists this ancient Inca site in 1911. *
3 points
have discovered
discovered
6 They books about their discovery, so people all over the world about the site. *
3 points
wrote...read
used to writingread
7 The first tourists to arrive in the 1960s. *
3 points
have arrived
arrived
8 Now, more than half a century later, millions of visitors to Machu Picchu. *
3 points
used to be
have been
9 Tourists from all over the world this marvelous Inca city with their own eyes. *
3 points
saw
have seen
10 In recent years, Machu Picchu one of the most popular tourist attractions in the world. *
3 points
used to become
has become
11 Luxury hotels have been built not far from site, while in the late 1990s the Peruvian government the construction of a cable car for visitors. *
3 points
has allowed
allowed
12 However, all this a lot of harm to the site. *
3 points
have done
has done
13 It the atmosphere and caused noise pollution around the ancient city. *
3 points
did polluted
has polluted
14 In an effort to protect the site, UNESCO Machu Picchu a World Heritage site. *
3 points
has made
made
15 In an effort to protect the site, UNESCO Machu Picchu a World Heritage site in 1983. *
3 points
has made
made