43: has worked
44: was working
45: build - fly
46: lost
47: hasn't smoked
48: arrived - has just gone
49: have....been
50: Have...received
1.
1: Paris' the best place for many people to send their holiday
2: Because it is a glamorous city to visit
3: Yes, they do
4: They go there in order to find inspiration for their works
2.
1: It's English
2: Some English people brought the English language to this new country
3: Yes, it is
4: English and Franch
3.
1: One thousand million people speak English in over the world
2: 400 million people speak English as the first language
3: Chinese
