47.
People should stop experiments on animals.
48.
I can't do these exercises quickly.
49.
They did not lock the doors at night.
50.
She doesn't finish her performances successfully.
51.
They used to wash their clothes without detergent.
52.
People have spent a lot of money for advertisement.
53.
He can see my house from the river.
54.
They published a daily newspaper in Germany in 1950.
55.
They made jean cloth completely from cotton in the 18th centur
56.
They will produce five million bottles of champagne in France n
57.
They have built two department stores this year.
58.
They sell jeans all over the world.
59.
You must do this exercise carefully.
60.
We can solve the problem.
61.
People should stop experiments on animals.