_______the report on how the burning of petrol in cars contributes to climate change,we decided to sell our car and get a bicycle instead.

______ in 1520,Cambridge is one of the most famous universities in the UK.

_______ in Hanoi for many years,my grandfather knows it very well.

___________ in the hospital for 4 years,he decided to give up his work.

_____ the house suddenly she found them smoking.

______ this film many times,I didn’t want to watch it again.

After the World War II, the United Nations has been actively carrying out its convention to stop wars and bring peace to nations worldwide.

_______her lunch,the teacher began marking the essays.

_________the fire,Martina telephoned the fire department.

_______ a scholarship,I entered one of the most privileged universities of the United Kingdom.

_______ the dinner for her family,she watched a film and waited for her husband to come home from work.

_____ by his work,he threw himself on his bed. 

______ the film before,I didn't want to go to the cinema.

______ an hour,the crowd were getting impatient.