Complete each sentence with one of the following expressions.
during so far in ago up to now until
1 I've enjoyed the film----------
2,He studied ------------- midnight.
3,------------,they've cut down a lot of trees in this area.But now they've
started planting them instead.
4,There was a storm ------------ the night.
5,Electricity was discovered------------------the nineteenth century.
6,A hundred years------------------,very few people owned cars.